OT-2026-000028496
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000028496) never changes.
Identity and time
| Publication number | OT-2026-000028496 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-746a-b2b7-f8ab05b8ee43 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028496 |
| Status | PUBLIC |
Content hashes
| Canonical text | 761b9b35dfd02a31838ea0d9bd331af67b9f56681536624f156ee2ffac955ed3 |
|---|---|
| Markdown | f8455151726eacd2c20143a208d6ba482c149c388dfc1e1a2d458de12effd17f |
| Publication page | 1111e5fb48fd68349cbc4fdb655765ea9225502a8f091045b873f4937e2570b0 |
| Manifest | 7c39e5e4257b26d6de5d6d51057037907d3c2107c6621508e5aa936eeb446dc0 |
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 | ku8Hsj0p18CxVTvoJd6yUnm0KVA6ze5EDVZ7tmHb1LKriDweQ+rO8kuf3QgN/uutvEtuuDetP/jEOGD5Y8NRAA== |
| 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
| 2026-09-17T11:40:45.399860Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028496observed 1111e5fb48fd68349cbc4fdb655765ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:45.377606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028496/manifest.jsonobserved 7c39e5e4257b26d6de5d6d5105703790...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:45.356791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028496/publication.mdobserved f8455151726eacd2c20143a208d6ba48...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:45.336908Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028496/publication.txtobserved 761b9b35dfd02a31838ea0d9bd331af6...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. |
|---|