OT-2026-000006857
Publication integrity record
Porous face vacuum gripper, two outlet manifold, pump fed, pressure verified, vented after 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-2026-000006857) never changes.
Identity and time
| Publication number | OT-2026-000006857 · never reused |
|---|---|
| Internal UUID | 01a0a969-d8a7-72c3-bac3-b3532fe20aa9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:51:21.386357Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006857 |
| Status | PUBLIC |
Content hashes
| Canonical text | 773f51545ff9347aa689b96e596d678d944dc4c503a9403f5ebde4635aa43cb4 |
|---|---|
| Markdown | 2764912466e26cfae99cc3523f2858a42b0bb12e834f817440c92e4a955d986e |
| Publication page | 542b8eb1633d3cb37d0a784e8883c12734584d7c9c89a8bd97b0b66fcd1b615b |
| Manifest | 9fcf7fb5c1cbf4035fc3fdfe80c710d4df48784a81bb768a522fda5000d585aa |
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 | cQkl7CAlvhq+7PwqnjH43SSIelYawjbWYI1eCWDCYSPsd/l3ddBZGxyGEG2RvjKtoN/0tjt5+Nivf20o9cIMBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:07:03Z batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof root 2354c19da800f8df297acf3cddd64d4d... |
|---|
Independent retrieval
| 2026-09-16T09:00:28.627796Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006857observed 542b8eb1633d3cb37d0a784e8883c127...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:00:28.490682Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006857/manifest.jsonobserved 9fcf7fb5c1cbf4035fc3fdfe80c710d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:28.477179Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006857/publication.mdobserved 2764912466e26cfae99cc3523f2858a4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:28.462802Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006857/publication.txtobserved 773f51545ff9347aa689b96e596d678d...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. |
|---|