OpenTechnical

OT-2026-000022288

Publication integrity record

Four bellows cup vacuum gripper, 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-2026-000022288) never changes.

Identity and time

Publication numberOT-2026-000022288 · never reused
Internal UUID01a0ae6f-f4fc-76fc-a42d-65b452e07770 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022288
StatusPUBLIC

Content hashes

Canonical text631c4ca8c21bfd0062efca451603097684218a91d8e8af4a9768f28c26eacb9d
Markdown24719941781b359e38eb78739edd456f977391ac2d48eebb612a7ac646a6fb67
PDF
Publication page74f486bb4bb2501603dafabd3f6f6496f4a8bfac50c4127644c1426f4ece1ec6
Manifestf6ca193350b255f9473fe3b5dc51f8a69b51578f00017ef67e814a9504f2ea69

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
SignatureXd/DjFGiQQf7J8DykXNWBhAeISnb4qAldkK4lgCgjKTUDdwJTQNcF5DZU5G2m986Bkdvn0Sh2e04ThrZZZ0dDg==
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

2026-09-17T11:53:05.462292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022288
observed 74f486bb4bb2501603dafabd3f6f6496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.447254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022288/manifest.json
observed f6ca193350b255f9473fe3b5dc51f8a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.431022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022288/publication.md
observed 24719941781b359e38eb78739edd456f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.415828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022288/publication.txt
observed 631c4ca8c21bfd0062efca4516030976...
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.