OT-2026-000004662
Publication integrity record
Vacuum cup gripper, four zone face, three outlet manifold, three stage ejector, contact triggered
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-2026-000004662) never changes.
Identity and time
| Publication number | OT-2026-000004662 · never reused |
|---|---|
| Internal UUID | 01a0a91f-3e61-7137-b2b5-71e745967e2c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:29:52.227486Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004662 |
| Status | PUBLIC |
Content hashes
| Canonical text | e87ffb2db951a2db5a0557c1a4390ea999c71f67889f704995c148516f9c7753 |
|---|---|
| Markdown | b339488b43452ddef397ce78514b95e146a8cfd0d7e1d7227c29c5fd9d69e199 |
| Publication page | 2445b24130f5089a5828600fbb8503fb158e4b9bfc478cd55e7652d40759f5b8 |
| Manifest | 59717215df133fe02c1247dd38ac23cdc409119e86a88ed60cdd8c874cec7d5f |
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 | hqRE1ECje+omudO/xGUpwoOIf4pntnmaA+xb1/rQgrnEu8oACBhV+sb6eIa+n+ALzXiEo/UToQ6z81+laiPMDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
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Independent retrieval
| 2026-10-21T16:41:10.574958Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004662observed 2445b24130f5089a5828600fbb8503fb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-21T16:41:10.507344Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004662/manifest.jsonobserved 59717215df133fe02c1247dd38ac23cd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T16:41:10.438785Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004662/publication.mdobserved b339488b43452ddef397ce78514b95e1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T16:41:10.260559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004662/publication.txtobserved e87ffb2db951a2db5a0557c1a4390ea9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:42:08.502035Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004662observed 2445b24130f5089a5828600fbb8503fb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:42:08.214833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004662/manifest.jsonobserved 59717215df133fe02c1247dd38ac23cd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:42:08.043396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004662/publication.mdobserved b339488b43452ddef397ce78514b95e1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:42:07.741937Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004662/publication.txtobserved e87ffb2db951a2db5a0557c1a4390ea9...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 |
|---|