OT-2026-000021615
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000021615) never changes.
Identity and time
| Publication number | OT-2026-000021615 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-739c-a5cf-da2db6b92e9f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021615 |
| Status | PUBLIC |
Content hashes
| Canonical text | afaa52e375ae7d2c12730a0051ecff2132bf9c97db67791691070d099ac61408 |
|---|---|
| Markdown | b6ce7a9f720a533c636b038692645d99ef7644e51be1af9e5a55fcdfa28cc408 |
| Publication page | 386636aae3cc4817e862b73f2b62778c584371eb01f81f7c345316b5d49eeac2 |
| Manifest | 834069065ecaaaf011916cd351f17e149126f705e079705b8c60d6b4fcd421a3 |
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 | nRwjWhRJaW4pGh8nrhKcqvxHTsuK2+eFLFVL+jh/ZAEv/w/0n1kviO6dbpIS5oPoUa0huuCgm7W465S1nzb9DA== |
| 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
| 2026-09-17T11:54:04.804405Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021615observed 386636aae3cc4817e862b73f2b62778c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:04.786787Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021615/manifest.jsonobserved 834069065ecaaaf011916cd351f17e14...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:04.770118Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021615/publication.mdobserved b6ce7a9f720a533c636b038692645d99...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:04.753046Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021615/publication.txtobserved afaa52e375ae7d2c12730a0051ecff21...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. |
|---|