OT-2026-000055008
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000055008) never changes.
Identity and time
| Publication number | OT-2026-000055008 · never reused |
|---|---|
| Internal UUID | 01a0ae86-5e80-722c-9d13-f1849f2f0b0c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:36.756598Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055008 |
| Status | PUBLIC |
Content hashes
| Canonical text | 20815d44c74e4dd638a89f9edd1a0b492774117f120b59479504bf73b2c496d5 |
|---|---|
| Markdown | 6f0ed014f85b98b969f26a695fefcf00e89f96cca344f19be01d4d57fef354b9 |
| Publication page | c5b3f224e9dc2858535c3df2ed57710dc500a17611a0d443bf167dba16c8a823 |
| Manifest | 2165e11134ffc1845b01709d1715012b2adf2ab8de795f1b265406a4a3af7586 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | RPtmKr3VejaUeYNHb2fTsI9zUPjgOt6mss4+tbEcyjt0FF1GS5OwRMksMzlg9aNwb5LcRNBGm/Hz+mTMFTL8BA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-11-03T12:41:07.819075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055008observed c5b3f224e9dc2858535c3df2ed57710d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T12:41:07.768653Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055008/manifest.jsonobserved 2165e11134ffc1845b01709d1715012b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T12:41:07.694250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055008/publication.mdobserved 6f0ed014f85b98b969f26a695fefcf00...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T12:41:07.486841Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055008/publication.txtobserved 20815d44c74e4dd638a89f9edd1a0b49...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:41:52.080036Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055008observed c5b3f224e9dc2858535c3df2ed57710d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:41:51.977751Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055008/manifest.jsonobserved 2165e11134ffc1845b01709d1715012b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:41:51.853943Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055008/publication.mdobserved 6f0ed014f85b98b969f26a695fefcf00...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:41:51.723216Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055008/publication.txtobserved 20815d44c74e4dd638a89f9edd1a0b49...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|