OT-2026-000028739
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000028739) never changes.
Identity and time
| Publication number | OT-2026-000028739 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2fa-77d9-b112-d2f63c899779 · 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-2026-000028739 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1b3086d6b01df9eb0653f80f04c8fe71b69d8940b6f0e5e66f91f1fcde5c0d74 |
|---|---|
| Markdown | 3baaa7579a4c0d46f44193b7d9ab263b46a54a3724fb51028cb44f5e4e993222 |
| Publication page | 9b2a694caa27510759c7dc56df20333a69227274d30db5f712885319e1a7ac5c |
| Manifest | 30ba808b01dc6dfb55779799f6e9f223f7c9181669c2be3717e202cde99ab13e |
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 | DCF7k4D1/CCPDsKu1/Dk7bcRoc92QnAKfGY2G7iH7vIC1WLa9o2acW4dhkxrvH/U7SZpwtLpsjgBMTurg4HFDw== |
| 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
| 2026-09-17T11:41:45.313007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028739observed 9b2a694caa27510759c7dc56df20333a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:45.292353Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028739/manifest.jsonobserved 30ba808b01dc6dfb55779799f6e9f223...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:45.271823Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028739/publication.mdobserved 3baaa7579a4c0d46f44193b7d9ab263b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:45.251312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028739/publication.txtobserved 1b3086d6b01df9eb0653f80f04c8fe71...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. |
|---|