OpenTechnical

OT-2026-000072725

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, 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-2026-000072725) never changes.

Identity and time

Publication numberOT-2026-000072725 · never reused
Internal UUID01a0ae92-89d9-79de-b29b-d1ec596b4b19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072725
StatusPUBLIC

Content hashes

Canonical text7f9213ce033ebe4dfaae1027a0dc957d92ef5729dfd5881d6a88e8f1067ba83e
Markdown150ef7c3fa47b86807cd542e95258d38500ee380d4590b889b3d21aec27de521
PDF
Publication page8a7f2606843c2c6e764fda1f2959a6a6ce8f6dfa611dc56398b9196decad4d66
Manifest3799aec8fbb96a51c8271922b2fe69fa498b0c00b2f98a90125b56f032d3f407

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
SignatureVpm6IXZh1F7xTZVEcTSRqN7t6787goXdys8o/vKxMyYVV4yrhEHr4z16S6BnKlYbYe9Mg8SU+bhmnNjKq2srCQ==
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

2026-09-17T10:22:37.441983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072725
observed 8a7f2606843c2c6e764fda1f2959a6a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:37.417558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072725/manifest.json
observed 3799aec8fbb96a51c8271922b2fe69fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:37.383787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072725/publication.md
observed 150ef7c3fa47b86807cd542e95258d38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:37.351801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072725/publication.txt
observed 7f9213ce033ebe4dfaae1027a0dc957d...
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.