OpenTechnical

OT-2026-000044144

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000044144) never changes.

Identity and time

Publication numberOT-2026-000044144 · never reused
Internal UUID01a0ae7b-d67a-7320-bcf7-25e1d0323a0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044144
StatusPUBLIC

Content hashes

Canonical textc8cf2d56bd4b23e181dd95fecc66cf0f19063fc87e832e756bbd673db34e5bde
Markdowneb87e796c027321840bbc0873b354f02487b352277f8b635576ed5e2cac6a80d
PDF
Publication pagea029d6c118fbc37c393180fec1ac06568537869adecf7d89e18e0947ad2645d8
Manifest6289d956bacaa5196dc4031e1346dc7f4cd4b0fc1a2da5acbace58dadc158a20

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
SignatureXs0yyjifWaacrHleR6JRn02Z2exWFJamrdvdG2lgX3N5UW7cu7CD8w9E45Pa4z9hK/As6hrBA40WekZtZPoBDA==
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

2026-09-17T11:12:34.017006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044144
observed a029d6c118fbc37c393180fec1ac0656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.997393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044144/manifest.json
observed 6289d956bacaa5196dc4031e1346dc7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.978180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044144/publication.md
observed eb87e796c027321840bbc0873b354f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.957667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044144/publication.txt
observed c8cf2d56bd4b23e181dd95fecc66cf0f...
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.