OpenTechnical

OT-2026-000074705

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000074705) never changes.

Identity and time

Publication numberOT-2026-000074705 · never reused
Internal UUID01a0ae93-ac2b-7428-a795-9c1d1b1c19ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074705
StatusPUBLIC

Content hashes

Canonical text408b6f826365cff87b9d3065fac4c35d51003d7e01ed09c74157706230036923
Markdown4c18a0e76db40dad6d3d27796713ceb3ed361c6f94a5433270b01ac07e9c1418
PDF
Publication pageb589ebb8797e39f27490bec12a744d329bba2d6b27df7ac0b85eedc39be87976
Manifesta2ab305167b07d94043330baa6a7c41bb6a7ba33895539996b5dccfa18b18811

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
SignatureZtFpPlDZGtoHsYZuSYT+JYoe3TZlpouKFjAVTKCEecVhDjW5NGPHt6NE3rA8MuCKUIR50mp4leM/ApbvKRTdAA==
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

2026-09-17T10:18:17.818848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074705
observed b589ebb8797e39f27490bec12a744d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:17.799910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074705/manifest.json
observed a2ab305167b07d94043330baa6a7c41b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:17.781494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074705/publication.md
observed 4c18a0e76db40dad6d3d27796713ceb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:17.762568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074705/publication.txt
observed 408b6f826365cff87b9d3065fac4c35d...
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.