OpenTechnical

OT-2026-000062845

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000062845) never changes.

Identity and time

Publication numberOT-2026-000062845 · never reused
Internal UUID01a0ae8c-94a7-7b43-85af-c3ec87247a7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062845
StatusPUBLIC

Content hashes

Canonical text09b6822827aa95597d3e82173293d25e57d736b2923520e0f93f9e0f2d222a3e
Markdown68968d3c72109051e28d1fdf383a82c575d1b50227651447adb9792a27b6282d
PDF
Publication page74eac22d6eb5dc1dc39badc06c32c3dd6057a53bfa4da19e20135e9f90ffc2bb
Manifest4d4d9bfdecf87b2747d3b5430d926be45f8900a7ba4ac49fb716e75aee42b44c

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
Signatures4RMj3AtNHnKIN/oQPLlNshLQMcOWhD0J5fR2dkCg1pEnanQeBB/4E6wdh01fhwkTW/UDV5wiNK0im8jcxx0AA==
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

2026-09-17T10:40:11.205944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062845
observed 74eac22d6eb5dc1dc39badc06c32c3dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:11.186321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062845/manifest.json
observed 4d4d9bfdecf87b2747d3b5430d926be4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:11.163196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062845/publication.md
observed 68968d3c72109051e28d1fdf383a82c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:11.136369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062845/publication.txt
observed 09b6822827aa95597d3e82173293d25e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:32.415908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062845
observed 74eac22d6eb5dc1dc39badc06c32c3dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:32.397672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062845/manifest.json
observed 4d4d9bfdecf87b2747d3b5430d926be4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:32.380364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062845/publication.md
observed 68968d3c72109051e28d1fdf383a82c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:32.361753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062845/publication.txt
observed 09b6822827aa95597d3e82173293d25e...
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.