OpenTechnical

OT-2026-000074119

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, manifold 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-2026-000074119) never changes.

Identity and time

Publication numberOT-2026-000074119 · never reused
Internal UUID01a0ae93-7177-7db2-8d09-a9f5af1063cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074119
StatusPUBLIC

Content hashes

Canonical textceae096d3608f1e34facdb66aa83434bb2efea9eab138f959c63ae32fc23b0cf
Markdownf0824b6589a66789722239f0449f286dbad7c178204702428f8bdfced74c5537
PDF
Publication pagee7acd2c4ec28c1f9caa31ca71a9bb4e267f27fbcd9f32097f9c3c9b9902af6e6
Manifest544f3e8ceae2fd13dbf3b3a2d0da886fdce2e75d60ce128d31473a19eee5f0d5

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
Signaturebdi0m5Y4zqllKxCt5vlxpwb+JLc1qTLFnAlcM0Jw0XUJEGc2PBvdnYRHLExTiqJTAaGvNyplExjvmilEe+jwDw==
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

2026-09-17T10:18:57.645288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074119
observed e7acd2c4ec28c1f9caa31ca71a9bb4e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:57.625606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074119/manifest.json
observed 544f3e8ceae2fd13dbf3b3a2d0da886f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:57.604406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074119/publication.md
observed f0824b6589a66789722239f0449f286d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:57.586216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074119/publication.txt
observed ceae096d3608f1e34facdb66aa83434b...
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.