OpenTechnical

OT-2026-000076060

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump 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-2026-000076060) never changes.

Identity and time

Publication numberOT-2026-000076060 · never reused
Internal UUID01a0ae94-6a6e-7773-88aa-fda3c1df46c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076060
StatusPUBLIC

Content hashes

Canonical text988df992e1d2b966ed34f0e0aec001b13b60065bfc0aa2358e72d27bfd15855a
Markdowndb93248a0c332a8a910304803526beaa9b41610dd6f78fa3e9ca21e6fd242d65
PDF
Publication pagec2905211dc2511748dc860a0f813f088c37adaa8129e31477e2609beeb2f41ee
Manifestfea47713de5c5c429a272f1ded31d8b1d3082b93104659e1b4c396495f1b466e

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
SignatureWF2EOJtZ0XeXMK5iU9+a6TvXHICKZCs7nXDs6pqTo47w2qW5bKsKVOICUgjd7JNpqlrFz7u8HrnTcl6LNZj4Aw==
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

2026-09-17T10:10:48.053613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076060
observed c2905211dc2511748dc860a0f813f088...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:48.036891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076060/manifest.json
observed fea47713de5c5c429a272f1ded31d8b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:48.016777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076060/publication.md
observed db93248a0c332a8a910304803526beaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:47.999847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076060/publication.txt
observed 988df992e1d2b966ed34f0e0aec001b1...
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.