OT-2026-000027160
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, pump fed, sustained 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-2026-000027160) never changes.
Identity and time
| Publication number | OT-2026-000027160 · never reused |
|---|---|
| Internal UUID | 01a0ae72-3454-7ae8-8054-4a25b19e3cf0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:35.358864Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027160 |
| Status | PUBLIC |
Content hashes
| Canonical text | 27a9c9abf7ddfa0c5494d44938944e852030246b8556bf257e280cbfcde284b5 |
|---|---|
| Markdown | aaa7eca97d8f6f60fd33bffa2938acb58e1d9412516cdb7e9af7760b8ef60712 |
| Publication page | 2b16bd5465a150296f88f3b254d088151f7a8cd8c9eacdd6969c87bd5d3b030e |
| Manifest | 45d530faf5cf0280dd3eea40ad3100e62586f74017f31ecf5c1c1ec5d5080f4f |
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 | i3zuWZgTIvjfP3HC1tGknq97Ql8YlGa++KvrC0tXc8/pdKYr57eB23uTRypFIStoCYbxJj0HPrt6LTRp+de4Bg== |
| 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
| 2026-10-15T00:41:13.819688Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027160observed 2b16bd5465a150296f88f3b254d08815...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-15T00:41:13.770621Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027160/manifest.jsonobserved 45d530faf5cf0280dd3eea40ad3100e6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T00:41:13.717461Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027160/publication.mdobserved aaa7eca97d8f6f60fd33bffa2938acb5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T00:41:13.640414Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027160/publication.txtobserved 27a9c9abf7ddfa0c5494d44938944e85...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:41:46.619436Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027160observed 2b16bd5465a150296f88f3b254d08815...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:41:46.519046Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027160/manifest.jsonobserved 45d530faf5cf0280dd3eea40ad3100e6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:41:46.413719Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027160/publication.mdobserved aaa7eca97d8f6f60fd33bffa2938acb5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:41:46.312600Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027160/publication.txtobserved 27a9c9abf7ddfa0c5494d44938944e85...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 |
|---|