OT-2026-000031644
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before set-down
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-2026-000031644) never changes.
Identity and time
| Publication number | OT-2026-000031644 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad0-7cd0-be8a-e8090e49775f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031644 |
| Status | PUBLIC |
Content hashes
| Canonical text | b50c722ce0132f0eec21cba862b19cf0b930ff15a6f4b402cf506400d5d80984 |
|---|---|
| Markdown | 6433b2669e5138e2cca7a732cf8398022c1b376e1aa6beee71b3006f4249450b |
| Publication page | ea49bdf5c087285d26c2addaf25f0eb9027d3f355def83ce97bf586d32ad0aa0 |
| Manifest | f3d01107ec25506c7127b333e42ef26bfa939b80d44a7357914ab59a5c370230 |
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 | YSgoeRp791d6Z1td127jFy7UwakVwHaamaByPDJ5d6dAIuXTXAxFAl/Htf1WRfqduyZPSK3iEONUmFJwVRsxAQ== |
| 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
| 2026-09-17T11:34:41.956166Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031644observed ea49bdf5c087285d26c2addaf25f0eb9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:34:41.938907Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031644/manifest.jsonobserved f3d01107ec25506c7127b333e42ef26b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:41.923246Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031644/publication.mdobserved 6433b2669e5138e2cca7a732cf839802...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:41.906795Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031644/publication.txtobserved b50c722ce0132f0eec21cba862b19cf0...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
| 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 |
|---|