OpenTechnical

OT-2026-000073289

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000073289) never changes.

Identity and time

Publication numberOT-2026-000073289 · never reused
Internal UUID01a0ae92-efb7-74ce-9e3c-097e3b183402 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073289
StatusPUBLIC

Content hashes

Canonical textcb431bbc1780bce5b044523859c5e7f35bf4c2b6a4234eabc279999d6273cc86
Markdown5be61eb659d61f85fae1255ddaa9d3a4bd228648653190cbcccc61121ce01978
PDF
Publication page108e139085dca649a4a8edcee70b7fb790939c0bbbbe72ef279aa92d4cb9145f
Manifest73f1c895cce46ebdf02330d4f86034135084a5da336833e670b07b344b56b3c8

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
SignaturetBfazWVzy9eOs5W+/zBSKEzdZd0haMIrNYtJTULLz3/QEaSv+jEHZiKqgA7yDSB/+qgtKpX78vFY9Y12SEWzBw==
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

2026-09-17T10:21:17.795681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073289
observed 108e139085dca649a4a8edcee70b7fb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:17.775451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073289/manifest.json
observed 73f1c895cce46ebdf02330d4f8603413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:17.757435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073289/publication.md
observed 5be61eb659d61f85fae1255ddaa9d3a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:17.737331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073289/publication.txt
observed cb431bbc1780bce5b044523859c5e7f3...
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.