OpenTechnical

OT-2026-000077805

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000077805) never changes.

Identity and time

Publication numberOT-2026-000077805 · never reused
Internal UUID01a0ae95-2ed0-7cda-b040-76a76461eaa7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077805
StatusPUBLIC

Content hashes

Canonical text969ac5e3646a187bfdbe9bdf761504b03b066caf6004f691a3e00054c4576748
Markdown1bc52be199e0b59fb4bc7e7c3190d7b4c7fe9fde6653b2a51ecb7786c34f654d
PDF
Publication pagee8f2ca149be0a23aa305e4bb1348c6953fef9443e3513a8f5977776e0eec1981
Manifest701241cb30652a29a2fdb16c9fdf2be10a454a6e60c15f4f53401cd0c135351d

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
Signaturekg+Bvmf+KWkrxVB/UdwbibSYNyjMd7zH2zdErCvU3CpMmht87I+jnieDamHjKGDYifiKlkz309ce5SMgXyJcBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:07:23.825204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077805
observed e8f2ca149be0a23aa305e4bb1348c695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:23.806408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077805/manifest.json
observed 701241cb30652a29a2fdb16c9fdf2be1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:23.786211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077805/publication.md
observed 1bc52be199e0b59fb4bc7e7c3190d7b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:23.768128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077805/publication.txt
observed 969ac5e3646a187bfdbe9bdf761504b0...
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.