OpenTechnical

OT-2026-000102625

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump 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-2026-000102625) never changes.

Identity and time

Publication numberOT-2026-000102625 · never reused
Internal UUID01a0aea4-858b-710b-a10d-85ccd5e9f141 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102625
StatusPUBLIC

Content hashes

Canonical texta0a0109b3869bde661830ee8126e761db24e9860d342cde51dd4ecbac304f898
Markdown9876d2f8c1e240dd97c75eabe15885c7d5ce8ffe4f7cacc7314527861637bf2f
PDF
Publication paged5f1ea227c8b6e739f5e28f91db63af81e16762f1cf9a30a370927816979edbc
Manifest9e93715a9d1b5128d3a64ad39ce24f90615ff8f4e1c2c19a8f303244885253df

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
SignaturebIItWhzSFgZUDjapWTZ3uh3oRxLMRbeXcIm8OmnEadsWF9iz7B7g4nTqhwsezegRnJzPmkV1vNR5BCO5H1Z/BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:07.094066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102625
observed d5f1ea227c8b6e739f5e28f91db63af8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:07.077138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102625/manifest.json
observed 9e93715a9d1b5128d3a64ad39ce24f90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:07.048311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102625/publication.md
observed 9876d2f8c1e240dd97c75eabe15885c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:07.020910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102625/publication.txt
observed a0a0109b3869bde661830ee8126e761d...
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.