OpenTechnical

OT-2026-000073018

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000073018) never changes.

Identity and time

Publication numberOT-2026-000073018 · never reused
Internal UUID01a0ae92-c815-70f4-9147-f19f6c69859e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073018
StatusPUBLIC

Content hashes

Canonical text0b305e337a6811db1731439bfbd2f7d04a248ea01898fe92d05f21cf83718d85
Markdownd4f510f524547b13da6e842463ed6550838dd9d8f7b44fdeb7917c98a908c744
PDF
Publication page8d0317bff3031a5cdac5587f3c5d4c5bdd0a22a5b555366d3d6a39358a4f2bbd
Manifeste37e5d5a8c925d5c0bb437ee90eb948a181f19fe1336c8643c06daf7d1bb5564

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
SignatureNmI2RxNJOtl4/0whlP/63w4E82Zip1YQJLSn1tALJ9GHhBm0v7cawz+dvCizNGaK7N7b/IScimNABUSG1l8qCw==
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

2026-09-17T10:21:57.350321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073018
observed 8d0317bff3031a5cdac5587f3c5d4c5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:57.332702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073018/manifest.json
observed e37e5d5a8c925d5c0bb437ee90eb948a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:57.314389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073018/publication.md
observed d4f510f524547b13da6e842463ed6550...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:57.298691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073018/publication.txt
observed 0b305e337a6811db1731439bfbd2f7d0...
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.