OT-2026-000074020
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000074020) never changes.
Identity and time
| Publication number | OT-2026-000074020 · never reused |
|---|---|
| Internal UUID | 01a0ae93-2b8f-79d3-940b-72342a835b79 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:35.679268Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074020 |
| Status | PUBLIC |
Content hashes
| Canonical text | 534f9829b163aeb19f61ff27e74869b22048f71612aa729769f84c026f6690cf |
|---|---|
| Markdown | 7aef2a56d31c21bcb529db00fb70a6ef2a887aaa5e44acd74b4dead68e18b8ff |
| Publication page | 35e0eb86dc2361da7810e449eb223fd7ac4ec7715cb5bfac9738d8a123608237 |
| Manifest | 48196bf28039e93a5ad154a42ed89adf1c5dd3f3e88387e3b457bb3e5d38d29e |
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 | 4ULLeqiJPZXBp9Rza8ulsPew9mKowAdjmTQNUIhm/CPmnWy6Uohdv3mSUCf6zI68VpglZfCoqGni8M707OdrAg== |
| 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
| 2026-09-17T10:20:19.250675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074020observed 35e0eb86dc2361da7810e449eb223fd7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:20:19.230732Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074020/manifest.jsonobserved 48196bf28039e93a5ad154a42ed89adf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:20:19.208307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074020/publication.mdobserved 7aef2a56d31c21bcb529db00fb70a6ef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:20:19.184760Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074020/publication.txtobserved 534f9829b163aeb19f61ff27e74869b2...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. |
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