OT-2026-000012539
Publication integrity record
Four bellows cup vacuum gripper, four zone face, two stage ejector, pulsed 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-2026-000012539) never changes.
Identity and time
| Publication number | OT-2026-000012539 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-39f7-7c59-8f9a-68fd0c2c959a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:08.998406Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012539 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5c24ea73bfe6547637b93549d80aea83c5741953819a73f1387dde1bfdcc04ad |
|---|---|
| Markdown | 44cadee321319dd1357d4c5d21753dd1846d03cd73f645444146a5e103a04dfb |
| Publication page | a7a232fcc99decffd08a6528f23a5683d7a43d84e8756ee9a1811c85fd94ec48 |
| Manifest | a6c17a4f318cb3b8da11c085f1b8b90d2cebac91df660bbfe09c52ecf9f82b3a |
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 | V+THCYW6SegPs95hNAYPAGEfkifoCSXiyR6KCn3MkfXR5ndWFItL+elgSP3FztazQ0sly3b1aQAObkPcoCsYCw== |
| 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
| 2026-09-17T12:12:04.479276Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012539observed a7a232fcc99decffd08a6528f23a5683...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:12:04.458504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012539/manifest.jsonobserved a6c17a4f318cb3b8da11c085f1b8b90d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:04.439567Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012539/publication.mdobserved 44cadee321319dd1357d4c5d21753dd1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:04.420152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012539/publication.txtobserved 5c24ea73bfe6547637b93549d80aea83...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. |
|---|