OT-2026-000054004
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000054004) never changes.
Identity and time
| Publication number | OT-2026-000054004 · never reused |
|---|---|
| Internal UUID | 01a0ae85-b3a7-7bae-ad9a-d74e4a84953b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:53.019909Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054004 |
| Status | PUBLIC |
Content hashes
| Canonical text | f23c0aaa2d7b19178965ebc686c89a168c128eb6bf4a32549dfac7a33776e45d |
|---|---|
| Markdown | 400001cfea0834f5b935b58aef0cb68f9939f87c71382acf74b86f5880a0c1b2 |
| Publication page | 7baa569560ebbea0550dabd2a7316ed7f3ce98a8a6209dcac7c2527e6cce46ca |
| Manifest | 88ed0fb1e0cc868dcb8a2d146d3d7f3b6716cf75663a4711f280bbc6ac1faf6d |
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 | eopPZoKrQs4QBr+Hyf2GqvTU5Ln/r86pRuAbci+Y0+H5ygZEcag6nznNgs7Z6YereXTKKocYwZYm/1vdBuzWCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:54:20.349126Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054004observed 7baa569560ebbea0550dabd2a7316ed7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:54:20.301206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054004/manifest.jsonobserved 88ed0fb1e0cc868dcb8a2d146d3d7f3b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:20.264005Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054004/publication.mdobserved 400001cfea0834f5b935b58aef0cb68f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:20.234652Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054004/publication.txtobserved f23c0aaa2d7b19178965ebc686c89a16...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. |
|---|