OT-2026-000008903
Publication integrity record
Foam pad vacuum gripper, three stage ejector, pulsed 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-2026-000008903) never changes.
Identity and time
| Publication number | OT-2026-000008903 · never reused |
|---|---|
| Internal UUID | 01a0ae6b-31b7-7450-a916-02f50c86e101 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:55.823363Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000008903 |
| Status | PUBLIC |
Content hashes
| Canonical text | a80c08ec44e454077d6198774a3d440aca8938fa010bb786e98f092993298990 |
|---|---|
| Markdown | 99821f2ecf5f440ae7a1e9c34a182f4d8f47b3d4103d82bd33fae306ed35e42b |
| Publication page | a0d02af0f5e7ca852e87203acfdb31399b1f2169c1c8bcad99ec7534b39da887 |
| Manifest | d84e880078369640bf0a9469911186f20c35bdefebd33daaf7d939fe52bdb8ce |
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 | H03L/X0v6P1HWmdXFRKYa+xwUba2RMoet5In/sIqruhsvDOnQq/Dtv1cIOMRB7AhdF3Jq2rlaASuqJPspvuJCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-10-14T12:41:10.722339Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008903observed a0d02af0f5e7ca852e87203acfdb3139...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-14T12:41:10.648227Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008903/manifest.jsonobserved d84e880078369640bf0a9469911186f2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T12:41:10.472054Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008903/publication.mdobserved 99821f2ecf5f440ae7a1e9c34a182f4d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T12:41:10.315519Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008903/publication.txtobserved a80c08ec44e454077d6198774a3d440a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:42:07.401961Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008903observed a0d02af0f5e7ca852e87203acfdb3139...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:42:07.315478Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008903/manifest.jsonobserved d84e880078369640bf0a9469911186f2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:42:07.191784Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008903/publication.mdobserved 99821f2ecf5f440ae7a1e9c34a182f4d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:42:07.037343Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008903/publication.txtobserved a80c08ec44e454077d6198774a3d440a...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 |
|---|