OT-2026-000013491
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000013491) never changes.
Identity and time
| Publication number | OT-2026-000013491 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-6fcb-7fd5-8f53-02237c75efc7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:22.837188Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013491 |
| Status | PUBLIC |
Content hashes
| Canonical text | bdf30375babf3260e284ea76eceafc288e45938a157fb7a4b0bc3651a6f5787d |
|---|---|
| Markdown | 67c90f35091ce296198567d909b43b35d3f2be67275b03035f52b7c2a211317f |
| Publication page | ec041ef1ed067610ef4af2d9b5bdf07b61cca4d3547cf5da7dae4b1af6cfc674 |
| Manifest | f33130d9aeaf659a4456d7014d0c124a12cc4fb49764b08d61738f43e0fc57e0 |
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 | LcdFDNYhET4SHoX9dWCqgtehcF5YqDvJmxDE1bKreol5CE+dEYahC8bc8nStruUHg4X3Fvb/0xCFUmqcSCRQAg== |
| 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
| 2026-09-17T12:09:59.827244Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013491observed ec041ef1ed067610ef4af2d9b5bdf07b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:09:59.808236Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013491/manifest.jsonobserved f33130d9aeaf659a4456d7014d0c124a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:59.789662Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013491/publication.mdobserved 67c90f35091ce296198567d909b43b35...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:59.767358Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013491/publication.txtobserved bdf30375babf3260e284ea76eceafc28...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. |
|---|