OpenTechnical

OT-2026-000020634

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000020634) never changes.

Identity and time

Publication numberOT-2026-000020634 · never reused
Internal UUID01a0ae6f-65e1-791d-9cf8-25311b11917c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020634
StatusPUBLIC

Content hashes

Canonical textfb608f39830dcb41117921fcfa909d342e453323fa452d9c67b72069300a50a3
Markdowneb226ab0396ca184e774772e986ce5d17f0e3155ae9b490dbe63940888c711a3
PDF
Publication pagee39dafc56e1c8b9bdb7e4548bb855df6b88637733e2b402a614b5bc6dcdf0e4f
Manifest48b20a04064fbe87fde6c751b4d9d2c94cd3b75e9d20b8411856cf5fd3f0e0bd

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
SignatureYESAS+4T9Lvl1R6ZRHzkwrdgHwVEkl5wyFW9833UwapGita6BmdIu6FN1qg2W5Zf3832EfsaBd7QbPKa2of0CQ==
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

2026-09-17T11:55:35.005476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020634
observed e39dafc56e1c8b9bdb7e4548bb855df6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:34.986426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020634/manifest.json
observed 48b20a04064fbe87fde6c751b4d9d2c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:34.967645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020634/publication.md
observed eb226ab0396ca184e774772e986ce5d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:34.947529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020634/publication.txt
observed fb608f39830dcb41117921fcfa909d34...
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.