OpenTechnical

OT-2026-000077073

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000077073) never changes.

Identity and time

Publication numberOT-2026-000077073 · never reused
Internal UUID01a0ae94-f507-731c-8f44-bdde5447e9d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077073
StatusPUBLIC

Content hashes

Canonical text3bb5bc87e0a76d0a28c67822aac18632bca0e3efd2c3f3f3e1fc6e9084806012
Markdowne26566283136e60ec05f76e1ab6073b9ad22581af6870f935a32262c2553966d
PDF
Publication page6daa5647caf4f04ec07fb4af6dd66a6fee941874ff0932d890ce8b3c47619adc
Manifest7d8ef1d26b029a7afc61ef1932e77902ab6118fe8cf96cf02b094f4efc056df9

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
Signature+w0xoq5KIxoEpo2EVd2sZG3bLQMBJcrdB/fXzbBlIccg3Qtqv/8wgd/QBBdvKhI2dlfuxN3FLVx0XbVQcAKRCg==
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

2026-09-17T10:11:27.023203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077073
observed 6daa5647caf4f04ec07fb4af6dd66a6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:27.004698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077073/manifest.json
observed 7d8ef1d26b029a7afc61ef1932e77902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:26.986985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077073/publication.md
observed e26566283136e60ec05f76e1ab6073b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:26.967159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077073/publication.txt
observed 3bb5bc87e0a76d0a28c67822aac18632...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:31.640427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077073
observed 6daa5647caf4f04ec07fb4af6dd66a6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:31.622035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077073/manifest.json
observed 7d8ef1d26b029a7afc61ef1932e77902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:31.601660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077073/publication.md
observed e26566283136e60ec05f76e1ab6073b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:31.581732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077073/publication.txt
observed 3bb5bc87e0a76d0a28c67822aac18632...
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.