OT-2026-000028215
Publication integrity record
Foam pad vacuum gripper, two 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-2026-000028215) never changes.
Identity and time
| Publication number | OT-2026-000028215 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a521-7b80-a764-8e2886b4b787 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028215 |
| Status | PUBLIC |
Content hashes
| Canonical text | 12cf7ea5806a646d98aa0d4a9eb6db5ba12ff6a656f137100bf68aa7e24b252d |
|---|---|
| Markdown | f1bcb0fdcd3210d0c911c9df6a065bdad706ded1842987c9280663d9faddb3fe |
| Publication page | 006d1d329603f28ecce0849dc00a4ace03d0c0dc4eb98efcb116d1053428510c |
| Manifest | 79b6a18e8ab06d9efbe6dc0938d2925b7f2e521cb9d1f1a7e55a8132230f804e |
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 | +URKdGd1FRO4JQ6yOWkse6odIlFVqxi75DyNQqBRXUhuPTUVEP866c3OY/VUdCz0IM0iwr+KGViCBbkdyTbuDg== |
| 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
| 2026-09-17T11:42:34.699616Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028215observed 006d1d329603f28ecce0849dc00a4ace...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:34.681479Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028215/manifest.jsonobserved 79b6a18e8ab06d9efbe6dc0938d2925b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:34.664923Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028215/publication.mdobserved f1bcb0fdcd3210d0c911c9df6a065bda...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:34.648939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028215/publication.txtobserved 12cf7ea5806a646d98aa0d4a9eb6db5b...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. |
|---|