OT-2026-000028978
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000028978) never changes.
Identity and time
| Publication number | OT-2026-000028978 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-793b-a02f-d62e78344430 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028978 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4da91223475cea04ee362369530584eafc432836135807b28f23cd6f22da73df |
|---|---|
| Markdown | 53d44013a361243009afeffc57435d37cfcca3080fbc8aba5eaf62f16fbd51ae |
| Publication page | 046a24c087b358c10c766ccb2320f763b385369cc6c3ca7bcf8c42b4ffcde715 |
| Manifest | 1830acfa802c60baac662dfcbc958263da94ccf7b19f21bbc9d9de9312f25073 |
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 | O/cAs2z8r7aLLUbCEkTwYq7jLwHD/3tiBb6lVKW6XaXNzcSOXi9BYFCI0AbUUbkAZ7zvXanhSU+tE/0ZWWJyDA== |
| 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
| 2026-09-17T08:20:30.183596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028978observed 046a24c087b358c10c766ccb2320f763...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:30.040038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028978/manifest.jsonobserved 1830acfa802c60baac662dfcbc958263...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:30.017971Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028978/publication.mdobserved 53d44013a361243009afeffc57435d37...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:29.995772Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028978/publication.txtobserved 4da91223475cea04ee362369530584ea...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. |
|---|