OT-2026-000009756
Publication integrity record
Single cup vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000009756) never changes.
Identity and time
| Publication number | OT-2026-000009756 · never reused |
|---|---|
| Internal UUID | 01a0ae6b-7564-7436-be4b-7c2049c594c8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:11:13.151287Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000009756 |
| Status | PUBLIC |
Content hashes
| Canonical text | aa0fd4ee3df43c65132025223e6df8d33b45893a4ac2c4d8fc4195af282e9331 |
|---|---|
| Markdown | fcc69bcf9aa65a7ba6fc3c9610a5a5b3cdde7b482406d07577c8bc93ac3dbb78 |
| Publication page | a4915dff9f422b1697725153bfe9e507de6d265110b0ab2246a753f1edc99517 |
| Manifest | 5655ef32260716abd810b2b47f0921f92dc40c978b459bd916f88bdd13de4295 |
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 | cGYEdxV9ABp3dn62J15UJLA1mDrmcJs8y5PVPd62DPSw3dGCqQieBc3K7n6a88Vn9lWVFzsP4HtY6ux37fnrBg== |
| 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
| 2026-10-31T20:41:21.811400Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009756observed a4915dff9f422b1697725153bfe9e507...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T20:41:21.766579Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009756/manifest.jsonobserved 5655ef32260716abd810b2b47f0921f9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T20:41:21.719499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009756/publication.mdobserved fcc69bcf9aa65a7ba6fc3c9610a5a5b3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T20:41:21.669950Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009756/publication.txtobserved aa0fd4ee3df43c65132025223e6df8d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T16:41:59.519891Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009756observed a4915dff9f422b1697725153bfe9e507...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T16:41:59.455209Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009756/manifest.jsonobserved 5655ef32260716abd810b2b47f0921f9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T16:41:59.380727Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009756/publication.mdobserved fcc69bcf9aa65a7ba6fc3c9610a5a5b3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T16:41:59.323800Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009756/publication.txtobserved aa0fd4ee3df43c65132025223e6df8d3...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 |
|---|