OT-2026-000004608
Publication integrity record
Porous face vacuum gripper, common isolation valve, pump fed, contact triggered, vented after set down
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-2026-000004608) never changes.
Identity and time
| Publication number | OT-2026-000004608 · never reused |
|---|---|
| Internal UUID | 01a0a91d-926d-7e92-8fa7-015c6fad5a5f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:28:02.672386Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004608 |
| Status | PUBLIC |
Content hashes
| Canonical text | df484ebbce739c9b2534350e04d83022424519220bbac3356be7b64593fa99d1 |
|---|---|
| Markdown | 559a48471ee6b66c380390811f23ba6a4413c4bde1466604a9bc71d8e1cda87b |
| Publication page | 52b1a725a0c2193c624561828d76437125b13d085fbff75fdd86275c2079a3b6 |
| Manifest | e94da96623311edc85f3521b06503025fe8882d6b52944803226704163e5c91e |
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 | yqOdU+9cSwfOthWu7ikNgCFG2qxGA8LYr4wnJHTZUScyNvMBh2bECO2f/nbeczpmq4aIQ2lD78iPnaBY1IUoDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:30:09.664850Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004608observed 52b1a725a0c2193c624561828d764371...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:09.651306Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004608/manifest.jsonobserved e94da96623311edc85f3521b06503025...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:09.635784Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004608/publication.mdobserved 559a48471ee6b66c380390811f23ba6a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:09.622407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004608/publication.txtobserved df484ebbce739c9b2534350e04d83022...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. |
|---|