OpenTechnical

OT-2026-000068650

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000068650) never changes.

Identity and time

Publication numberOT-2026-000068650 · never reused
Internal UUID01a0ae90-2483-73d4-ab8b-16529930f7dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068650
StatusPUBLIC

Content hashes

Canonical textcafe7f177095975d672e14cea9c464d38d1ebfc7997c2b7325581ceedeaed33b
Markdownbaaf92b2686b8f5c7ee1a2eacae6874251f3cdd922b2c2fc15d4c97dda354de3
PDF
Publication pageb3752b50688ce032110430e08e84d089b48ede11bc4e31834809e48b8ed57b12
Manifest3b9b2ab2b1a497641e155a7b091b017c6d1d2ae712a879159372941e877b7bf9

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
SignatureZ3bxUQLRWLCrd6kLkB8rxYjrRh9uUnx0Qvdg1wzaieHundIiL9Me/tx6siEirr9U/9CSFaz4V+TNwJqxp3mFDQ==
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

2026-09-17T10:29:50.668443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068650
observed b3752b50688ce032110430e08e84d089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.651432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068650/manifest.json
observed 3b9b2ab2b1a497641e155a7b091b017c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.633536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068650/publication.md
observed baaf92b2686b8f5c7ee1a2eacae68742...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.614154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068650/publication.txt
observed cafe7f177095975d672e14cea9c464d3...
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.