OT-2026-000049485
Publication integrity record
Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000049485) never changes.
Identity and time
| Publication number | OT-2026-000049485 · never reused |
|---|---|
| Internal UUID | 01a0ae81-8f7c-7194-b25a-e8f4dc2d553d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:21.728203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049485 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6c8f1bbffe2492927e7193e7b10065cc5e14fe80917f24dfa9b58a89317d3a28 |
|---|---|
| Markdown | a2f5030254250802548ef469d2b6e1e7a956e7131a6835dcaaab5a582595e6b5 |
| Publication page | 931dbbf6ed9cad260847c1033b54557016887edc9cb26c5bb4fb77d6d817d83a |
| Manifest | 25889a95ce31c9eb483f99c2638a139ba55f3ad9a1d103bd1f5b5d4d72239044 |
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 | fhSNsx4wjIqRAKZwHqNngLKkUuec+5KUBMcCfFEcy2A+OwPEdhZvtGpZy8sbgFu0OOPRe2hY0zdR4IBXlHJABQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-11-03T04:41:23.329986Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049485observed 931dbbf6ed9cad260847c1033b545570...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T04:41:23.255159Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049485/manifest.jsonobserved 25889a95ce31c9eb483f99c2638a139b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T04:41:22.982763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049485/publication.mdobserved a2f5030254250802548ef469d2b6e1e7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T04:41:22.718376Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049485/publication.txtobserved 6c8f1bbffe2492927e7193e7b10065cc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T00:41:23.147332Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049485observed 931dbbf6ed9cad260847c1033b545570...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T00:41:23.100023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049485/manifest.jsonobserved 25889a95ce31c9eb483f99c2638a139b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T00:41:23.014691Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049485/publication.mdobserved a2f5030254250802548ef469d2b6e1e7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T00:41:22.805350Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049485/publication.txtobserved 6c8f1bbffe2492927e7193e7b10065cc...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 |
|---|