OpenTechnical

OT-2026-000057189

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000057189) never changes.

Identity and time

Publication numberOT-2026-000057189 · never reused
Internal UUID01a0ae87-d5ba-7cdc-9195-34a30a50ca19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057189
StatusPUBLIC

Content hashes

Canonical textf9382e1ef43cbd8b916467e967667f64a2371c95ac41f1cf01d83c784bc72ed4
Markdown9397b2afe88f169cd28e2f612c2ecab2492763c1ff9df8bbf2244ebde5b8dbde
PDF
Publication paged2f6ce28296a54756ec55cdfe822bbba8483e30e2de298a232004c2e884995df
Manifest10ab13f23c85c80ffecd178da444734e0136cda23bd2bd17cd9e6341bc36a523

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
SignatureUAqRYyamO095aDmIUy6Dml+m4wXOSUJJ/KMEKhztG08LHZDx1BgxA0GqBtPnPmhzC1umiSuLqR1TyKIeIgtCAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:12.538042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057189
observed d2f6ce28296a54756ec55cdfe822bbba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:12.518333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057189/manifest.json
observed 10ab13f23c85c80ffecd178da444734e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:12.499533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057189/publication.md
observed 9397b2afe88f169cd28e2f612c2ecab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:12.481920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057189/publication.txt
observed f9382e1ef43cbd8b916467e967667f64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.884926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057189
observed d2f6ce28296a54756ec55cdfe822bbba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.868378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057189/manifest.json
observed 10ab13f23c85c80ffecd178da444734e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.851541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057189/publication.md
observed 9397b2afe88f169cd28e2f612c2ecab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.833859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057189/publication.txt
observed f9382e1ef43cbd8b916467e967667f64...
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.