OT-2026-000057780
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, sustained blow-off after 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-2026-000057780) never changes.
Identity and time
| Publication number | OT-2026-000057780 · never reused |
|---|---|
| Internal UUID | 01a0ae88-6ed7-7aa2-a349-aa98abc6ca10 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:52.020108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057780 |
| Status | PUBLIC |
Content hashes
| Canonical text | 742801d46af780b85ae02c709ff965192b9cec9d9c0d963cc957816500497fe1 |
|---|---|
| Markdown | 4ce83bac2caee6dbb13f0030a69e85b14982e0a2be8b4361e0bb8a325b77d21a |
| Publication page | 43ff5a10029e02319c8746a55e6cb4181890ad293e3c11438ee0255e077592e8 |
| Manifest | 632bccb9692f92457d53299a7a2b68f13431bdef64f53e133716198a05cdc7d7 |
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 | QHFTKI3VnjOZhTDy93O7tF/AolPGMb5Kk2QL6X+eAC02i1oqqCERFfDPsH+po/XVjH25Wre/KiQJnQS6SNyZAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-09-17T10:47:19.991138Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057780observed 43ff5a10029e02319c8746a55e6cb418...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:47:19.973677Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057780/manifest.jsonobserved 632bccb9692f92457d53299a7a2b68f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:19.954562Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057780/publication.mdobserved 4ce83bac2caee6dbb13f0030a69e85b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:19.936564Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057780/publication.txtobserved 742801d46af780b85ae02c709ff96519...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. |
|---|