OpenTechnical

OT-2026-000039915

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, 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-2026-000039915) never changes.

Identity and time

Publication numberOT-2026-000039915 · never reused
Internal UUID01a0ae78-d8d6-70b2-8d48-cdb8720aaeae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039915
StatusPUBLIC

Content hashes

Canonical textd0ece9345b6c1e739af5c7b25d94fb8991fbe30bd58b553684d2713704204dc0
Markdownd76e9df7686907a53cfa4256cb5f5f8d2a22b5407c72a6796f2aaaa75d445542
PDF
Publication page80d0536938afbd3d3d53ab6de1f2b8a0a1f0db641c97a3f44e490dc8b494fe56
Manifest97ed1b9188c85f5ec2754af6f2f330e2d06ec792e52e62d10595af4decc0f6e2

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
SignaturepjareCX5uQMf/HxNepOJnz2t5I0Z/C6usiWqRkv4vmauZFwxASGELWQQNUHy+l6nqVd/u1XHI9Lie1IopqQ3Dw==
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

2026-09-17T11:20:12.634036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039915
observed 80d0536938afbd3d3d53ab6de1f2b8a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.617459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039915/manifest.json
observed 97ed1b9188c85f5ec2754af6f2f330e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.598009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039915/publication.md
observed d76e9df7686907a53cfa4256cb5f5f8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.578388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039915/publication.txt
observed d0ece9345b6c1e739af5c7b25d94fb89...
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.