OT-2026-000048921
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000048921) never changes.
Identity and time
| Publication number | OT-2026-000048921 · never reused |
|---|---|
| Internal UUID | 01a0ae81-134b-7772-b02e-e912405a7166 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:34:49.967260Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048921 |
| Status | PUBLIC |
Content hashes
| Canonical text | e1afa214447b48af449b58810e5d80eca25d2d12b2d1167c387d969f885d3737 |
|---|---|
| Markdown | 26b14c011cbbdeba7c8965824bbe9a7e68f9b7a19f123547709b7ab34f4ec8d7 |
| Publication page | bd1e9759b851122bfde3860df2c05f48aa36c0f23f74fc9e21bf061a96d1f76d |
| Manifest | cd2cbc9d070a9619260997e3e5e95376f4aaa909968b68949aeaca641be99652 |
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 | IGOaZKnsav0N57Sgohy08Jp+kH8ZiF4mtHWYNatjYI7LaqCaYdy0VkcJEgqOCkRh7O/H7LWyZ/ZUuKb2jlkNCg== |
| 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
| 2026-09-17T11:03:05.914237Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048921observed bd1e9759b851122bfde3860df2c05f48...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:03:05.895145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048921/manifest.jsonobserved cd2cbc9d070a9619260997e3e5e95376...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:03:05.876738Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048921/publication.mdobserved 26b14c011cbbdeba7c8965824bbe9a7e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:03:05.856901Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048921/publication.txtobserved e1afa214447b48af449b58810e5d80ec...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. |
|---|