OT-2026-000021115
Publication integrity record
Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off before 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-2026-000021115) never changes.
Identity and time
| Publication number | OT-2026-000021115 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865b-7ce3-acab-d9f40e07bbb2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021115 |
| Status | PUBLIC |
Content hashes
| Canonical text | 10c0f12ab9e4979467280809302f7cfe364247ca1ad6d943e75314dc5b547a7f |
|---|---|
| Markdown | 7964b437052167ca43e99ae4d3c7ca53481ba12704b35be7e43c9441f0aaaba8 |
| Publication page | 423b72bbe3239abb5f5dc90c90deb128ea3687af582daf16f5e017ab69f46d33 |
| Manifest | c9d9cf670ab97d64bec657c7c2382bf327614b23a37be03a488dfe1a6c7d2f16 |
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 | YVuf27sRi2+ljRJq7sSNfsd5idQz64FGxlrqFOuobStaxaoV5ghKmYD7tI0G7u8nxkTAo+K3Dmx1W6Y7KF1hBw== |
| 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
| 2026-09-17T11:54:51.471016Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021115observed 423b72bbe3239abb5f5dc90c90deb128...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:51.454016Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021115/manifest.jsonobserved c9d9cf670ab97d64bec657c7c2382bf3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:51.435964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021115/publication.mdobserved 7964b437052167ca43e99ae4d3c7ca53...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:51.420008Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021115/publication.txtobserved 10c0f12ab9e4979467280809302f7cfe...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. |
|---|