OpenTechnical

OT-2026-000044153

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000044153) never changes.

Identity and time

Publication numberOT-2026-000044153 · never reused
Internal UUID01a0ae7b-d67b-7b40-95f3-5a2f97461880 · 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-2026-000044153
StatusPUBLIC

Content hashes

Canonical text69de787f6d7c0fdb14340e85f65efb0821c48f947272fa10d33d33bc4ad466a8
Markdown3279ff02311b3a4a55a3a6166e20a3c90abec4075923aaff857eb8b163538f98
PDF
Publication page1f29ec6dc348248c2986db3598871d69ff135182bd0e3cae9083fdf38ccfce65
Manifeste47da75e8863550bf3f0344a4fcf735be6d6e2f501ee4ba6c3ac64911cfca925

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
SignatureMSAUHroSJA7EvS5zgGAtX7IBogQQ1OvH2hzPLw2XVDRHCAC3Krdmif/jmkbdgujhmTWMfKrgFWfCwTkoaMuLDg==
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

2026-09-17T11:12:34.733547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044153
observed 1f29ec6dc348248c2986db3598871d69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:34.715616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044153/manifest.json
observed e47da75e8863550bf3f0344a4fcf735b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:34.695551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044153/publication.md
observed 3279ff02311b3a4a55a3a6166e20a3c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:34.678603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044153/publication.txt
observed 69de787f6d7c0fdb14340e85f65efb08...
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.