OpenTechnical

OT-2026-000012025

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000012025) never changes.

Identity and time

Publication numberOT-2026-000012025 · never reused
Internal UUID01a0ae6d-1943-770c-bbab-5d031cc3441c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012025
StatusPUBLIC

Content hashes

Canonical text0162bb9379440f0759641441c7139975361e32f71c1f6b235bea166ea538bacb
Markdown78c36f4d1155db49de64c7c78418a0e624d982fa97d81106d42431619d5830f2
PDF
Publication page2bd6c026060ef60a8fbb46c4fa7f2b799d6afd777ca3f5cd0912d0702d2d8d05
Manifest048ceedde097b8037a8523385daf28b0a5b9277877eaa36be6338008bf6d9890

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
SignatureCYI7BzLxWXV8d6uBrrvAQcQV2zTcez0V2XrNiXHSugaQmhCYnl51Lmf2poIUW+g7OUBW2k2fwpMliM+wS7s/DQ==
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

2026-09-17T12:12:53.827222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012025
observed 2bd6c026060ef60a8fbb46c4fa7f2b79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:53.806806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012025/manifest.json
observed 048ceedde097b8037a8523385daf28b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:53.788005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012025/publication.md
observed 78c36f4d1155db49de64c7c78418a0e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:53.766594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012025/publication.txt
observed 0162bb9379440f0759641441c7139975...
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.