OpenTechnical

OT-2026-000044105

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, supply line 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-2026-000044105) never changes.

Identity and time

Publication numberOT-2026-000044105 · never reused
Internal UUID01a0ae7b-d67a-773b-8464-20e2b5bef11c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044105
StatusPUBLIC

Content hashes

Canonical text2b01daad6476963b031200a4e82eb1472ac88c524ccc3a0df3378a15a8ce880f
Markdown2424d63edf474fb1ed513732d08b69577623b0ec2fd6d8452a6587c0595e518a
PDF
Publication paged77ed60e2aedb5fbcabc5e1cc76d0c5ca36ba7af8e485558639bbe194acf7e10
Manifestc0dc8ab65a92ed7a05e9d1d6e9aa77ae87a3fa097e02f515fe656d9600315931

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
SignatureGN2o8X1VtkREdd9wOUkeDv06DfXag+bbZ0YLpR8475TX/DgGklMTtkF4a04CpvWPsKss2aGcY6iaapnMF+N3Aw==
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

2026-09-17T11:12:30.961198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044105
observed d77ed60e2aedb5fbcabc5e1cc76d0c5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:30.942397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044105/manifest.json
observed c0dc8ab65a92ed7a05e9d1d6e9aa77ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:30.925483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044105/publication.md
observed 2424d63edf474fb1ed513732d08b6957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:30.907456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044105/publication.txt
observed 2b01daad6476963b031200a4e82eb147...
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.