OpenTechnical

OT-2026-000065351

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000065351) never changes.

Identity and time

Publication numberOT-2026-000065351 · never reused
Internal UUID01a0ae8e-1dfb-7d5d-9746-c5e184094510 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065351
StatusPUBLIC

Content hashes

Canonical textecec2a880a7fde52da3ea2b31d158fe9943a9cd2cc61fa1a4380aa749aad7843
Markdown6133eca59e06d4c8d24e06cb7cfe4c6ab7734621be90fdbb8405788d4bd600a2
PDF
Publication paged59e06da72fff840f90c76767684048d64f1d2fdc0436b6860c2a2ba9c05e133
Manifest5839d52153125d52a82c8175f5fca00b4b1734e6c20ae93cacdd29f802d063ec

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
SignatureZbuIYdpHywQvTkROFFU05XFwPNg6hlMMRQ/8s5MiSCKHmExpJ7C9qT/D8DaJiKaRj1gDIcCK14kgxRle0j3FAg==
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

2026-09-17T10:35:20.212989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065351
observed d59e06da72fff840f90c76767684048d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:20.195459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065351/manifest.json
observed 5839d52153125d52a82c8175f5fca00b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:20.177960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065351/publication.md
observed 6133eca59e06d4c8d24e06cb7cfe4c6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:20.158432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065351/publication.txt
observed ecec2a880a7fde52da3ea2b31d158fe9...
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.