OT-2026-000027825
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000027825) never changes.
Identity and time
| Publication number | OT-2026-000027825 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a4a5-7edf-954e-15b5ddafd024 · 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-2026-000027825 |
| Status | PUBLIC |
Content hashes
| Canonical text | e80c725156dba23738af50a8c469a25aab738b0404379be67d8aaa6bc70a76c3 |
|---|---|
| Markdown | 6010ad9724090a10fc485a5f5191d31b8289042d40f525c31483f2b43a1a272d |
| Publication page | ad996cf93bddf238c7357fad6a2397ecdf8d15917fc4fc3ea71feef57b6ef205 |
| Manifest | 4ded8411f9cd7f92a3233758f888cb78c63165f953d05022eb9f188ed2f5e6a1 |
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 | 39BHn0jbB4rpTqgM9nxDkgmw/edV8z7WxcGN+h7ytcU61W4oTai4OlgIDXPA4z/iRfnidUbWVuYMpuVdcZNqCA== |
| 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
| 2026-10-07T08:41:23.464811Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027825observed ad996cf93bddf238c7357fad6a2397ec...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-07T08:41:23.391765Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027825/manifest.jsonobserved 4ded8411f9cd7f92a3233758f888cb78...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T08:41:23.313502Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027825/publication.mdobserved 6010ad9724090a10fc485a5f5191d31b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T08:41:23.214659Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027825/publication.txtobserved e80c725156dba23738af50a8c469a25a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T12:41:28.330181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027825observed ad996cf93bddf238c7357fad6a2397ec...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T12:41:28.262632Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027825/manifest.jsonobserved 4ded8411f9cd7f92a3233758f888cb78...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T12:41:28.186294Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027825/publication.mdobserved 6010ad9724090a10fc485a5f5191d31b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T12:41:28.061217Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027825/publication.txtobserved e80c725156dba23738af50a8c469a25a...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 |
|---|