OpenTechnical

OT-2026-000042491

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000042491) never changes.

Identity and time

Publication numberOT-2026-000042491 · never reused
Internal UUID01a0ae7a-c0cd-782a-b22d-706add1e2e36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042491
StatusPUBLIC

Content hashes

Canonical text5ab4cd95af8935c6dee4c8a3383e7a5766af99ae4d160ecf62a4caa1da4ec830
Markdown5232724a1ec49fc8a49b788ddae354ce927345614256cf57c125e4ed6f2f5881
PDF
Publication page3717f914c6c44be74ed21181c59735cb398f7fa741cbfad42d17ddcd80b4fb74
Manifest3dfc10a72abe056a431c706e3223ba1d630f6fffd11a5ce2d6e7530c1178a817

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
Signatureep+Gy9uKjVEz/4y6hnUfPhnuYfjVe1OREpvPI/DnUJe8lQyFiMLI5VvMvQfjeus3Lozk/3Rn6y6GMcGJPoTPDg==
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

2026-09-17T11:14:03.828287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042491
observed 3717f914c6c44be74ed21181c59735cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:03.808311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042491/manifest.json
observed 3dfc10a72abe056a431c706e3223ba1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:03.789963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042491/publication.md
observed 5232724a1ec49fc8a49b788ddae354ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:03.771866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042491/publication.txt
observed 5ab4cd95af8935c6dee4c8a3383e7a57...
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.