OpenTechnical

OT-2026-000035303

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, supply line 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-2026-000035303) never changes.

Identity and time

Publication numberOT-2026-000035303 · never reused
Internal UUID01a0ae76-6a1f-71f6-851c-0c33d7abf901 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035303
StatusPUBLIC

Content hashes

Canonical textf320fd61c626bbfdff26efcb1e469ac111a262aea4d4ada1ec478e5302390e83
Markdowna0f05a3c9e194de5a4b020df5dd4db530f1ea0974aaa1b97b2b77b868f3fe2e5
PDF
Publication pagedcb23ca9e9e83c4fae645b6848a85bbf8b374f722251f9e13efd7cdad087963c
Manifest3b3b19621505a1b2644d3d0d62411eb97a5d51b3de9e01af6fbb3799fb8b7f9f

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
SignaturelViVAAJATQaaMihwATBikCtaDNujzLECHNUYZuVDXyb99C5ySEFJ0TnxDb8MPFSf+LP2v5N1ojIW+sH+uUacAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:28:27.708525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035303
observed dcb23ca9e9e83c4fae645b6848a85bbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:27.691486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035303/manifest.json
observed 3b3b19621505a1b2644d3d0d62411eb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:27.673861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035303/publication.md
observed a0f05a3c9e194de5a4b020df5dd4db53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:27.655222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035303/publication.txt
observed f320fd61c626bbfdff26efcb1e469ac1...
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.