OpenTechnical

OT-2026-000042712

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000042712) never changes.

Identity and time

Publication numberOT-2026-000042712 · never reused
Internal UUID01a0ae7a-c0cf-7b2c-ae90-661d13356c2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042712
StatusPUBLIC

Content hashes

Canonical texte9441e07993097d91ae4ac5d09fc0adfba468829170047c04d4effd24f5528c8
Markdown6fe0bab13cd72a8774d102b7c4d798ce3b2a6b1ebdafc98bea407c2696a8dc5e
PDF
Publication page2f8b6a869bda12e1e182d72c120d804d172803dd0318edfd89efcd8b7256008c
Manifest910c87a862c6faa093427ca26c2cf037855cb979a9024f7980b60a16fd88cdb7

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
SignatureYYXyivftrG10CzACyiSOHpZ5ACJE/gX/TmgNpzQH5npTs1WGvyh1JpbQr7u9QGgorFxC3VvroNHDDUFOhObbBQ==
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

2026-09-17T11:15:04.445812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042712
observed 2f8b6a869bda12e1e182d72c120d804d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:04.426398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042712/manifest.json
observed 910c87a862c6faa093427ca26c2cf037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:04.405916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042712/publication.md
observed 6fe0bab13cd72a8774d102b7c4d798ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:04.387596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042712/publication.txt
observed e9441e07993097d91ae4ac5d09fc0adf...
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.