OT-2026-000049856
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000049856) never changes.
Identity and time
| Publication number | OT-2026-000049856 · never reused |
|---|---|
| Internal UUID | 01a0ae81-fd75-79b6-b207-5b520bdc2b49 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:49.774136Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049856 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4890ed110562b6d04af5b6709c1d20900963e6acf4b4d645a70d15c092a47eb7 |
|---|---|
| Markdown | 7ef3276f9f86cf3b30b06a4e66fc74ba72e1ba8667a68c96dd685ea6ed6a9f2e |
| Publication page | 572eae362a6131228f75cae14cb016c0a8347a4e6c47d5b11d0b443a453c9727 |
| Manifest | b33c973f222e4162f7c781cf288af82787775bc596a8d5b15b5ba04e1f53c838 |
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 | lLCnFzO9G67ynesnsnpNcw7ufivLkt8iqDuItD7puzaEU9Gq1pNEFoVrfz2EpdjXbv/0N7Ub67/f/QIqJq6/Bg== |
| 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
| 2026-09-17T11:01:45.556424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049856observed 572eae362a6131228f75cae14cb016c0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:01:45.538176Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049856/manifest.jsonobserved b33c973f222e4162f7c781cf288af827...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:45.520291Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049856/publication.mdobserved 7ef3276f9f86cf3b30b06a4e66fc74ba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:45.502223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049856/publication.txtobserved 4890ed110562b6d04af5b6709c1d2090...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. |
|---|