OpenTechnical

OT-2026-000033289

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, pulsed 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-2026-000033289) never changes.

Identity and time

Publication numberOT-2026-000033289 · never reused
Internal UUID01a0ae75-897f-7f0e-abf7-a4cf7c553e01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033289
StatusPUBLIC

Content hashes

Canonical texte8347badf570fb42ce980f09eeef0e57605773bc81158d1abcd36b887c19ed19
Markdownae1e4b973bad1eed84611e23f88f6e0478a4fa65a04d787dda8c059c5e44d3cb
PDF
Publication page33db97fefbca426f68a4ae851bef0d4e869905b393ee66233cd647e0410199d1
Manifest7ac4ef7958b321dd942fe8a49f76bcec6df1dfc6ebd59ec17cff4cfb7bbed5c8

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
Signaturerc0fp9zytxSmyxNlycktOSv4Dv+2yt7Kqu4vtTZfAuQ+ufPl1FKCyfcpktqpFE9sOynMTVnjMaCU+gFFxYT2BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:01.971420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033289
observed 33db97fefbca426f68a4ae851bef0d4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:01.954203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033289/manifest.json
observed 7ac4ef7958b321dd942fe8a49f76bcec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:01.936820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033289/publication.md
observed ae1e4b973bad1eed84611e23f88f6e04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:01.920370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033289/publication.txt
observed e8347badf570fb42ce980f09eeef0e57...
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.