OT-2026-000052508
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000052508) never changes.
Identity and time
| Publication number | OT-2026-000052508 · never reused |
|---|---|
| Internal UUID | 01a0ae84-573a-7e0b-95f1-beb0f227c9a6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:23.819394Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052508 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4e1d7b390c150ebdf2c513e943519f8f8cbf767e18d844c9e6b8b2ea35bdce63 |
|---|---|
| Markdown | 428ee039b2c4aba5c01214552c693b3aab3fbb6edb41757eb236d78269222a96 |
| Publication page | 26ba7fcef94a744db2f7f112031fc331e57250e88bef2fa8e27c3fbdd3d64fd6 |
| Manifest | 747e611b7f41e05138794bc6ff2fd8dacb403414a7d31a7d81998d7716846df5 |
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 | P9saN/C3NiNAQuQC+xkoQ0Qg/Tb9y3HLfuRBXuvT1xmVolFIfc22mVn4m7KOPRATbyEIeKaRpIk3db4/Wq7VBw== |
| 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
| 2026-09-17T10:57:08.939141Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052508observed 26ba7fcef94a744db2f7f112031fc331...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:08.921115Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052508/manifest.jsonobserved 747e611b7f41e05138794bc6ff2fd8da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:08.903011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052508/publication.mdobserved 428ee039b2c4aba5c01214552c693b3a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:08.885722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052508/publication.txtobserved 4e1d7b390c150ebdf2c513e943519f8f...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. |
|---|