OT-2026-000077221
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000077221) never changes.
Identity and time
| Publication number | OT-2026-000077221 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f508-77d8-a49d-9233a213795c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077221 |
| Status | PUBLIC |
Content hashes
| Canonical text | 90cf79524a53f338fd7439c2fa184e28452d757f7f7df1bb5a779595b3819202 |
|---|---|
| Markdown | 9bc29996fc888bd94f69b30b3c4ff4b0a748f4b27e2da5df2df04019dcd520b8 |
| Publication page | 141f12a507202423ce3ddddd879c227b3f3b2daea38476973c5f819049b9b004 |
| Manifest | 0eeb0d188c4f5198ee84a2b1e5a99e86c9ce05638f7d80a512fe3219ed2ff28e |
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 | jVNGy/iylXBjWUQ0yugyUNIB86TnDjYqRap5fXWnl83EuQoS2jiWXwyBFlI1aS6z/OmsTeuwPEil6pg/a+DtCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:08:49.561717Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077221observed 141f12a507202423ce3ddddd879c227b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:08:49.540673Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077221/manifest.jsonobserved 0eeb0d188c4f5198ee84a2b1e5a99e86...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:49.521711Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077221/publication.mdobserved 9bc29996fc888bd94f69b30b3c4ff4b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:49.502067Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077221/publication.txtobserved 90cf79524a53f338fd7439c2fa184e28...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. |
|---|