OpenTechnical

OT-2026-000089249

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000089249) never changes.

Identity and time

Publication numberOT-2026-000089249 · never reused
Internal UUID01a0ae9b-db00-7af3-9662-e45fdad1eb18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089249
StatusPUBLIC

Content hashes

Canonical text2d0071b77064acf79ad39e98e9a3cda8269cccd273fa835aeb467800e510e322
Markdownd2185dbca20a5be75afac2bda10e5228b7851f4edf76f32360f6079783e22ec5
PDF
Publication pageca27c4933ac0aa5d44b874b29b39d3390807eba9b88f31c4564a897338049bf3
Manifest7817ac2730b69f5e571916a1b52b5047df14fd964baf697730fea6ef85cd0634

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
Signaturey++WXyExD19T8FH1XUX/5gs5+sUTljwtdxQoTv3r5IhQbvHLUK5Vu08uSuaD7F031tfq/QY2oWsHTkOTjfCwCA==
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

2026-09-17T09:47:17.000817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089249
observed ca27c4933ac0aa5d44b874b29b39d339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.983322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089249/manifest.json
observed 7817ac2730b69f5e571916a1b52b5047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.966353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089249/publication.md
observed d2185dbca20a5be75afac2bda10e5228...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.948541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089249/publication.txt
observed 2d0071b77064acf79ad39e98e9a3cda8...
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.