OpenTechnical

OT-2026-000086233

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000086233) never changes.

Identity and time

Publication numberOT-2026-000086233 · never reused
Internal UUID01a0ae99-e82c-769b-baf4-43113d35a790 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086233
StatusPUBLIC

Content hashes

Canonical text5a0f51af5674623f86d659bd7ed0c45ae9f11d3850fd6dbf9c6ba01871b1f9cc
Markdowncb632628a4d0e2e88b6bf2503e80b9befde381fa2917e2597240a85e546c1b57
PDF
Publication pagecee7e57a517fd91d422321d1742f27aeacc40bbed03b046f756627f0447afe8c
Manifest21a2214ed6367b56a3c93c6014a43bb51a3386abdb098acba0080dec680f848d

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureISr6utNkzXQzDlR9BJmlnPW/6IgMrtKyfiUyhxuJ34zKJdW9AeZ4wZlHqrJ1pGKAJWeU3Kx+NTtvoLvvHdKRBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:53:55.251367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086233
observed cee7e57a517fd91d422321d1742f27ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.234629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086233/manifest.json
observed 21a2214ed6367b56a3c93c6014a43bb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.214109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086233/publication.md
observed cb632628a4d0e2e88b6bf2503e80b9be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.198550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086233/publication.txt
observed 5a0f51af5674623f86d659bd7ed0c45a...
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 archivePending 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 packagePending Custody packages are produced weekly.