OpenTechnical

OT-2026-000060231

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three 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-2026-000060231) never changes.

Identity and time

Publication numberOT-2026-000060231 · never reused
Internal UUID01a0ae8a-5a73-745a-a529-27a1d97be431 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060231
StatusPUBLIC

Content hashes

Canonical textb1ace6fdac1462eb3bf6bb61252125b110228c08e9ea1c0b69781e10d532a529
Markdownfafe02a6daeb99b056768e0800027fcfbff37b1dd581887b6bdaea54fab23f13
PDF
Publication pagecec241a484113f799bb9837e071affdb830832bbc53f8b10dc2201624c975e91
Manifest375c86dd6edcd4a76413141c299a5a015d08ccd180c7b8f8d673a5a2b53d4f58

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
SignaturesicZUX/h5Mi0IxuS9SeMGH4BhpeCguTa+gpJ/E9iqtMRcHMR/QLpqf7o1yY1528wgxgnsOy67xyht5qo/1YICQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:54.588678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060231
observed cec241a484113f799bb9837e071affdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:54.572771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060231/manifest.json
observed 375c86dd6edcd4a76413141c299a5a01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:54.557165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060231/publication.md
observed fafe02a6daeb99b056768e0800027fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:54.540565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060231/publication.txt
observed b1ace6fdac1462eb3bf6bb61252125b1...
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.