OT-2026-000052172
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000052172) never changes.
Identity and time
| Publication number | OT-2026-000052172 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e790-724c-b9b1-fd993f3277c1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052172 |
| Status | PUBLIC |
Content hashes
| Canonical text | d51d6b0a539b4063e770477ce38b19e23d495dce5f535b9509ad12ec91e502fa |
|---|---|
| Markdown | ee48208c901e0a8bf54720dbbe7f566e54db537d5090b52e7de2376b0ac84205 |
| Publication page | b6c11d44f40f35973eec5d574a8bd66de45ade98aeeb6d61206ac204bc2007b6 |
| Manifest | 49908b991fce1fd0d4a560f83f89f77b01625ae9c2cb28bd5447bf66311ca5a8 |
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 | KK4SZkhn72MRP5HwoqJqryv9Ks2FzPDEFUAuhnNT77pHmavOUQQCRxSDV3WmXP1iJbc3ADhR7BmvWhLfnu5AAA== |
| 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
| 2026-09-17T10:57:43.889326Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052172observed b6c11d44f40f35973eec5d574a8bd66d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:43.871999Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052172/manifest.jsonobserved 49908b991fce1fd0d4a560f83f89f77b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:43.854056Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052172/publication.mdobserved ee48208c901e0a8bf54720dbbe7f566e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:43.836508Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052172/publication.txtobserved d51d6b0a539b4063e770477ce38b19e2...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. |
|---|