OpenTechnical

OT-2026-000073229

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum 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-2026-000073229) never changes.

Identity and time

Publication numberOT-2026-000073229 · never reused
Internal UUID01a0ae92-efb6-7103-ae86-bb3e5737473b · 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-2026-000073229
StatusPUBLIC

Content hashes

Canonical textb31f63813ce581174f578ef7eaefe558ffefeaaf92b96acab056a8cd8a47c4e1
Markdownecc5109d87657785dbd2efbde56d3ce54626cf6201cbdf0de261659bf5d9af01
PDF
Publication page010125b4bfe18d47693cb2959a185cc62ed5e5dee0f6e9d23eb2a307ac427e75
Manifest95427c54db35320a24d2f19f9c7dbf92e4f4241eced23f956a899bee7fa6a074

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
SignatureE4P2Mp4kElYZuHDZcRRu1trpoquwn2zgdUhh6D45amj7RSm62g7YbGDwH7v+MqlcJ/4Z8XF1jJIU68I+X4MVDA==
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

2026-09-17T10:21:12.654554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073229
observed 010125b4bfe18d47693cb2959a185cc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:12.634639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073229/manifest.json
observed 95427c54db35320a24d2f19f9c7dbf92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:12.613941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073229/publication.md
observed ecc5109d87657785dbd2efbde56d3ce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:12.593601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073229/publication.txt
observed b31f63813ce581174f578ef7eaefe558...
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.