OT-2026-000052891
Publication integrity record
Two cup vacuum gripper, two zone face, three stage ejector, supply line pressure sensor, 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-2026-000052891) never changes.
Identity and time
| Publication number | OT-2026-000052891 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42f-7d2b-8ff7-65ea85dd964d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052891 |
| Status | PUBLIC |
Content hashes
| Canonical text | fd5438592f9342925195336bfff9ba17cafac293835c1d49b1be3696bad07620 |
|---|---|
| Markdown | d5ae13eb996caae7c2e3f1adfba0e94ac0ca00a463ee8e9c51077042fa016a1a |
| Publication page | 4b96d6760ee3f3a78a098c8f232eb1b2af9398bba848b9f48d5e50830edf25f0 |
| Manifest | 551a140c9e8681cdcc6619e1086eea84ec29241169e392240722c6901e2872f5 |
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 | iWYopDoxGcumC1kLCW+o7LgqAjzwbrD87IoO3mr/OvhhMrN/xQEuIGlnjgKHYeaekm791LRuJEr5mz4uU2KQAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:56:31.792025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052891observed 4b96d6760ee3f3a78a098c8f232eb1b2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:31.775054Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052891/manifest.jsonobserved 551a140c9e8681cdcc6619e1086eea84...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:31.758787Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052891/publication.mdobserved d5ae13eb996caae7c2e3f1adfba0e94a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:31.740359Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052891/publication.txtobserved fd5438592f9342925195336bfff9ba17...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|