OT-2026-000038172
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000038172) never changes.
Identity and time
| Publication number | OT-2026-000038172 · never reused |
|---|---|
| Internal UUID | 01a0ae78-2d50-7076-929f-6013975130ac · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:25:06.661829Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000038172 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9819a5e33142f1059df67758a2b56fbcaf6ffb1f86888ffed4f5db2919764ea7 |
|---|---|
| Markdown | 69b06c7594457d5ac9a11e2503c102fb7e6ff3edbfbb4cc8a95b2dddc395ab16 |
| Publication page | 0a5c6d7c69478acd3dae2368364aea7b4fe01ab8e6e683d2c1231419b34f9277 |
| Manifest | 6855c1add87734210daafd2346f60bed0066176a47126e2fcad638187cf409de |
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 | ficd2xlX0Qt5jmkjVUl6TLf8r2btrSFb7rDC6c58ZfEJOqm9drpSURxYeieVme1P/y1APoKNnxU8XIncw5wvBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:22:17.672974Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038172observed 0a5c6d7c69478acd3dae2368364aea7b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:22:17.655885Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038172/manifest.jsonobserved 6855c1add87734210daafd2346f60bed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:22:17.637376Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038172/publication.mdobserved 69b06c7594457d5ac9a11e2503c102fb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:22:17.617969Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038172/publication.txtobserved 9819a5e33142f1059df67758a2b56fbc...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. |
|---|