OpenTechnical

OT-2026-000041823

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000041823) never changes.

Identity and time

Publication numberOT-2026-000041823 · never reused
Internal UUID01a0ae79-e8a4-79d6-b889-9e63d708ca7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041823
StatusPUBLIC

Content hashes

Canonical textd7ab412d3b9a7317bbec50b4613f4a83f071a290d7f65c592501d7de3503c68d
Markdown2048d039cd55047f87201772528f203f8e4b8bc54ad7f1074062303f996a4dea
PDF
Publication pagec04b34dc226910b5331ee1e30bb7edc718ec52fe990198a4675dbca0ebcd0c2f
Manifest98ccb57cf20823c4bf2ebe348a8be2cc5fa12d30e242d25c63fb6a08e2427fcc

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
SignatureQktOyJYMzsL/50f2IYt/MmxWgZLfz9RHZiJzVp9rI5nT9gFJNOPIgj9dtqQdq0er4Qrxvzyu8X2ViPfFYXJgAw==
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

2026-09-17T11:16:41.159984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041823
observed c04b34dc226910b5331ee1e30bb7edc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:41.142376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041823/manifest.json
observed 98ccb57cf20823c4bf2ebe348a8be2cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:41.125473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041823/publication.md
observed 2048d039cd55047f87201772528f203f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:41.105226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041823/publication.txt
observed d7ab412d3b9a7317bbec50b4613f4a83...
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.