OpenTechnical

OT-2026-000092090

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000092090) never changes.

Identity and time

Publication numberOT-2026-000092090 · never reused
Internal UUID01a0ae9d-43bc-75a3-abf1-6643ec4711b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092090
StatusPUBLIC

Content hashes

Canonical text8a6e7583c568f26a2160f24861a1f19106285c5f9b2049712aaa8b80800c687e
Markdown186e6344c0268a322c710d8e386dd548594ba4027a23c7e7c0b69f1b467bb163
PDF
Publication page9b88fffcb025327348695ec0588125d709cb566e4c09480f5196f8fe7cd3c014
Manifest2dcb122ff012e85fa2de61ebb98276063e1bb15314f370eed0ec925e98fc9796

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
SignatureSOXwd37UOI/POfBhJPh9AHRJ9SF9OkJ2tcbRVlAjtM45GgQieKE9v+biQeXGJUtPPxR4Thc+J23cRrxJK650AQ==
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

2026-09-17T09:43:11.887727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092090
observed 9b88fffcb025327348695ec0588125d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:11.870093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092090/manifest.json
observed 2dcb122ff012e85fa2de61ebb9827606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:11.852433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092090/publication.md
observed 186e6344c0268a322c710d8e386dd548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:11.834352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092090/publication.txt
observed 8a6e7583c568f26a2160f24861a1f191...
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.