OT-2026-000021754
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, two stage ejector, sustained blow-off before 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-2026-000021754) never changes.
Identity and time
| Publication number | OT-2026-000021754 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7bc1-80e7-d95880678132 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021754 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8ae0854611656c95b2e82730321156b6a84a02ce3413fe96cad4aa17e98b09e9 |
|---|---|
| Markdown | 3e15e7f38b63b9b1c544707cfe0c8e07a980cf3c18731ca1141f441b5e33200a |
| Publication page | 7e7df692256d83b6f3d4804c3dbb8d9987da6e3f57a8ab2f9984f75ec6e97dee |
| Manifest | f525c4773bb9caeb1c516b165f9bc156bf9f6f5df7602537adb904fc8ee2e6f6 |
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 | teZxBVwATMPqNShELC7GQi2utphG6vgUzc/0E34Wj4lwzNKrkJ5/B1dPJulf+XuCH4AM08oLmcVmW805kn2JBw== |
| 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
| 2026-10-30T16:41:14.538450Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021754observed 7e7df692256d83b6f3d4804c3dbb8d99...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T16:41:14.412731Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021754/manifest.jsonobserved f525c4773bb9caeb1c516b165f9bc156...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T16:41:14.327493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021754/publication.mdobserved 3e15e7f38b63b9b1c544707cfe0c8e07...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T16:41:14.155229Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021754/publication.txtobserved 8ae0854611656c95b2e82730321156b6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T04:41:19.066473Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021754observed 7e7df692256d83b6f3d4804c3dbb8d99...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T04:41:18.954788Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021754/manifest.jsonobserved f525c4773bb9caeb1c516b165f9bc156...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T04:41:18.882909Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021754/publication.mdobserved 3e15e7f38b63b9b1c544707cfe0c8e07...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T04:41:18.795031Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021754/publication.txtobserved 8ae0854611656c95b2e82730321156b6...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 |
|---|