OT-2026-000007142
Publication integrity record
Vacuum cup gripper, per zone isolation, pump fed, vented after set down, rubber cups
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-2026-000007142) never changes.
Identity and time
| Publication number | OT-2026-000007142 · never reused |
|---|---|
| Internal UUID | 01a0a974-2b4d-79d0-951c-41f9583fcf36 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:02:37.904729Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007142 |
| Status | PUBLIC |
Content hashes
| Canonical text | d3908d6e50f64a5952e03eaedbca0aada942707491b401eddf16120fcaa88f1b |
|---|---|
| Markdown | 38315c5bfb3bc34c285a21fd1e57556fecbd448983f8c3cab0b35c954c1ab63e |
| Publication page | c1aba0502e9bb80214cd5cb91de18a88e710d38a608ec995b81cbb1e3af743af |
| Manifest | 87f74c437fc111bde30fc41b416841b06074017b92aa58c7fa9f06b29ea10d22 |
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 | 626r4NYm/ImgiGv1tawrXcvevomcURPd2Yr/iS8p6Dz8oabHK1+tG6a4Wc7i1z/O1RQmyaw2VP7SaUd5XGQHBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:07:03Z batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof root 2354c19da800f8df297acf3cddd64d4d... |
|---|
Independent retrieval
| 2026-10-11T04:23:23.203154Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007142observed c1aba0502e9bb80214cd5cb91de18a88...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-11T04:23:23.189023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007142/manifest.jsonobserved 87f74c437fc111bde30fc41b416841b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-11T04:23:23.173080Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007142/publication.mdobserved 38315c5bfb3bc34c285a21fd1e57556f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-11T04:23:23.118854Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007142/publication.txtobserved d3908d6e50f64a5952e03eaedbca0aad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-01T12:41:32.578117Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007142observed c1aba0502e9bb80214cd5cb91de18a88...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T12:41:32.487093Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007142/manifest.jsonobserved 87f74c437fc111bde30fc41b416841b0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T12:41:32.355419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007142/publication.mdobserved 38315c5bfb3bc34c285a21fd1e57556f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T12:41:32.199297Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007142/publication.txtobserved d3908d6e50f64a5952e03eaedbca0aad...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|