OT-2026-000074720
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000074720) never changes.
Identity and time
| Publication number | OT-2026-000074720 · never reused |
|---|---|
| Internal UUID | 01a0ae93-ac2b-79f0-8cdd-1c7f95c1a9e0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:08.693295Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074720 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3e1e7541166413887d3cb261f0e0b21f822184d9fa743eccb10d6a1e250bed79 |
|---|---|
| Markdown | cb1fc9a5e60af5841265c6dbd8b69ada04275491388f7ce8ea037888844f8b49 |
| Publication page | 4215adc9e30bb31b37bd4d5ea5241506a74895252c1647ba6b298592c8c1616a |
| Manifest | cf81d33c0d2db5edbe22b6f0fd280904b50b2772c414f6b49c1b5ae882321a2d |
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 | 7GzjCi21Fnv/shSs2ezBS6lyxXTJIrc6/s5dmtPvp3XL+MIkpTNjxEvmzcytT6Jc71/YTXUHX/fBBUa9V+PXBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:18:19.044909Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074720observed 4215adc9e30bb31b37bd4d5ea5241506...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:18:19.025905Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074720/manifest.jsonobserved cf81d33c0d2db5edbe22b6f0fd280904...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:18:19.007488Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074720/publication.mdobserved cb1fc9a5e60af5841265c6dbd8b69ada...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:18:18.988575Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074720/publication.txtobserved 3e1e7541166413887d3cb261f0e0b21f...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. |
|---|