OpenTechnical

OT-2026-000045658

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000045658) never changes.

Identity and time

Publication numberOT-2026-000045658 · never reused
Internal UUID01a0ae7d-8f03-7316-bd72-2ec3ed754a88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045658
StatusPUBLIC

Content hashes

Canonical text79693d0d99795785258f066f73aefcffb9583db67765c88dd06bb374634faa86
Markdown96952bae92dbffb4b1359de4fee435acf816abeb7b7e3c0c29383681bd84f09a
PDF
Publication page543c126828fc58e9bc10157528667082ad66b73498b96f83f0ced6151098d23d
Manifestce2f4f8c81a2ccfe2fd37ca922919d0140e81edb6cd0fbbe14ab11f78a48c6c2

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
SignatureS2SO13O+bj6jWSS+hzwEe5dLVm5QSHOyxIMHQweK/ZQ/xa/e5fsiMZ5hvn0CmvpJDsuHkNWSqw8mSElk8LIBAg==
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

2026-09-17T11:09:27.075207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045658
observed 543c126828fc58e9bc10157528667082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:27.057084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045658/manifest.json
observed ce2f4f8c81a2ccfe2fd37ca922919d01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:27.037728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045658/publication.md
observed 96952bae92dbffb4b1359de4fee435ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:27.018871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045658/publication.txt
observed 79693d0d99795785258f066f73aefcff...
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.