OT-2026-000004974
Publication integrity record
Vacuum cup gripper, per zone isolation, plant vacuum fed, vented before set down, silicone cups
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-2026-000004974) never changes.
Identity and time
| Publication number | OT-2026-000004974 · never reused |
|---|---|
| Internal UUID | 01a0a929-b603-7b37-b25f-604ea29c6acc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:41:18.214066Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004974 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4fcb91a5c63a7c832f337b142e542cd32296e29577dc3bb2b46d4027aebc8e1b |
|---|---|
| Markdown | ec9a11c69db6dd18ecb672edd2341ed777356ff8ab6966b88b204356fb7c87ed |
| Publication page | 89ae8b7de68a2e23f1c863ac9848e5b4d013f83a437d25735e3e6d0d02dc081e |
| Manifest | c393b06cfbdcd022d5060202400e12b4cdb4ef22b535b53890d53199259e6e0d |
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 | kQC7JzcMZzaaHJTEgFR1Eof8MPNvClHys5SdVOde0ySFokULY8gW7rhbdeXWditBZ3niJPVf46ur4aUMikzgDA== |
| 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
| 2026-09-16T07:50:29.185541Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004974observed 89ae8b7de68a2e23f1c863ac9848e5b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:29.172009Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004974/manifest.jsonobserved c393b06cfbdcd022d5060202400e12b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:29.159115Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004974/publication.mdobserved ec9a11c69db6dd18ecb672edd2341ed7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:29.145805Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004974/publication.txtobserved 4fcb91a5c63a7c832f337b142e542cd3...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. |
|---|