OpenTechnical

OT-2026-000027894

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000027894) never changes.

Identity and time

Publication numberOT-2026-000027894 · never reused
Internal UUID01a0ae72-a4a5-784e-9087-2f82311b9b00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027894
StatusPUBLIC

Content hashes

Canonical text6441d0c7435af40706815f280aaf8b296f0bd9bcc1d02a766e5e28162e7c121f
Markdown59da93775516c722691b0844c774190280a0bddf888ce70b359ac4b9a70d307d
PDF
Publication page892cbbe7697a0b0ad0665f08c430f1649ab1d1117a90c51ad9fc1ef48c456102
Manifest782861b990dd43b2aaf19811833b3f437db447de5913c31c48ed33067d6d534a

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
Signature4jqPlpfVhwecnNUZ7u/RXj+A+ZzIGnLcY1IUEBhAzi0Az1zzbuy5asmWzfMT8gCf58MhEstlDW0rf33eXnv1BQ==
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

2026-09-17T11:42:03.767658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027894
observed 892cbbe7697a0b0ad0665f08c430f164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:03.749968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027894/manifest.json
observed 782861b990dd43b2aaf19811833b3f43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:03.731630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027894/publication.md
observed 59da93775516c722691b0844c7741902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:03.714434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027894/publication.txt
observed 6441d0c7435af40706815f280aaf8b29...
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.