OT-2026-000003718
Publication integrity record
Bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure verified
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-2026-000003718) never changes.
Identity and time
| Publication number | OT-2026-000003718 · never reused |
|---|---|
| Internal UUID | 01a0a90a-d5d1-70d4-9d01-4ddd74d256a6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:34.740599Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003718 |
| Status | PUBLIC |
Content hashes
| Canonical text | 56edd0235a039580493af43a0ecfa9a1917cf61a35f3b0c258b1c241a13b9e9e |
|---|---|
| Markdown | ae0d910e1c58e1d6e5fc365cf0868c68ce05aabbabedc582b272eec63cc0f596 |
| Publication page | 1e04ff88320143557fce6c9a6ec69c401610ad3bfde0c64b30af2657dea6ba9e |
| Manifest | c22cec6986c3b7e71ed68b038c9f36507441e6409600eba4287229e49a7044c7 |
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 | F0cBh7GpPnr/p9Xc55fVQIBqjcPqfBtps3GoBotQc+POkyEMGlZDqXp9yrks0YNdBN/8mudGybfw+Qn3nma3Bg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-10-23T12:41:42.788839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003718observed 1e04ff88320143557fce6c9a6ec69c40...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T12:41:42.665665Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003718/manifest.jsonobserved c22cec6986c3b7e71ed68b038c9f3650...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T12:41:42.591546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003718/publication.mdobserved ae0d910e1c58e1d6e5fc365cf0868c68...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T12:41:42.445392Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003718/publication.txtobserved 56edd0235a039580493af43a0ecfa9a1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T08:41:17.271845Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003718observed 1e04ff88320143557fce6c9a6ec69c40...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T08:41:17.107532Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003718/manifest.jsonobserved c22cec6986c3b7e71ed68b038c9f3650...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T08:41:16.970458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003718/publication.mdobserved ae0d910e1c58e1d6e5fc365cf0868c68...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T08:41:16.765101Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003718/publication.txtobserved 56edd0235a039580493af43a0ecfa9a1...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 |
|---|