OpenTechnical

OT-2026-000075397

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000075397) never changes.

Identity and time

Publication numberOT-2026-000075397 · never reused
Internal UUID01a0ae93-f201-7d18-85ac-58b94fadbc93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075397
StatusPUBLIC

Content hashes

Canonical textb0b116f03dbf137f3e729e165b4897b9775a17e8c29ba580bda46f00be19736a
Markdowne5ba5713704c18f5d319de1490ba0d309e23abfd2a3d1ea53c1f0331bb6b0041
PDF
Publication pagebcb0c0638b3ed0315726321be3cb69393c0328a977d6a718fc46c7745275089a
Manifest18613080ee14e60eebed0e050624f98a439e768b6ecc0560fa31dc1d67ee808d

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
SignaturegThwWWGe2e8z3vQBNJQHRACXThyp2UV/Hb3kDxL9zY+4PX6bqZtWvGQsMLEZI3JCo2pLMIZ2XXjHhniuCTOwCQ==
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

2026-09-17T10:17:29.062423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075397
observed bcb0c0638b3ed0315726321be3cb6939...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:29.000702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075397/manifest.json
observed 18613080ee14e60eebed0e050624f98a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:28.947259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075397/publication.md
observed e5ba5713704c18f5d319de1490ba0d30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:28.770694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075397/publication.txt
observed b0b116f03dbf137f3e729e165b4897b9...
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.