OT-2026-000004666
Publication integrity record
Bellows cup vacuum gripper, three zone face, plant vacuum fed, pressure verified
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-2026-000004666) never changes.
Identity and time
| Publication number | OT-2026-000004666 · never reused |
|---|---|
| Internal UUID | 01a0a91f-5d5c-7a40-ad39-2960abfe7ea6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:30:00.159901Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004666 |
| Status | PUBLIC |
Content hashes
| Canonical text | 28f956cf82c901622b7084104ae3e9cd48474328ccfdef52f2ffdb149b6739dc |
|---|---|
| Markdown | 190a04797da6823f1071cb5a2bc32276ac0dc7caaddc31db12849828e3e545de |
| Publication page | 1dc1e3c0d977d99db589f6c664ab7a69f2f02005b6c245b10355a6382ec6e10c |
| Manifest | 422a021e55d23c3df7469909166b346f6fd60240e3647dbf39dc4dbf59944e4b |
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 | P1NJTdYZaysm+FsqhjAyktpFMtqvr3CH5O6FgSmdd0UwlM8YKOlohi0/2O4TKyGb9Xyiu/xX7B7iprPUI/9vDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:30:02.222927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004666observed 1dc1e3c0d977d99db589f6c664ab7a69...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:02.210021Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004666/manifest.jsonobserved 422a021e55d23c3df7469909166b346f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:02.193355Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004666/publication.mdobserved 190a04797da6823f1071cb5a2bc32276...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:02.179453Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004666/publication.txtobserved 28f956cf82c901622b7084104ae3e9cd...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. |
|---|