OpenTechnical

OT-2026-000056054

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000056054) never changes.

Identity and time

Publication numberOT-2026-000056054 · never reused
Internal UUID01a0ae87-0a4b-723d-9914-89367dd52704 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056054
StatusPUBLIC

Content hashes

Canonical text1b39160e8ca1941c29a52b825f43f5c5db0f0164c2894794d374a065e5d6d2ad
Markdown328229b8de27e0ef8561aa5a6859ebd73d8dbb43f263a230e1b46d263b4a2db8
PDF
Publication page028e87e896f9c7a9822931490425da3b0872521fae089db101f4fa6c3723e53e
Manifest8cc0648ab50aa5169b438a5b6255ac51600f67e38d2e480698da912dfb1a1cea

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
SignaturexKwM+scGtIF9zmgBnpWz/gzGbEmEC0OMcOWVd7URsCPfOFcj7EgqR248y6hnfqnCj0qFkoh0vw4nDaX3xn5zDQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:35.303553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056054
observed 028e87e896f9c7a9822931490425da3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:35.286190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056054/manifest.json
observed 8cc0648ab50aa5169b438a5b6255ac51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:35.268080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056054/publication.md
observed 328229b8de27e0ef8561aa5a6859ebd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:35.248687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056054/publication.txt
observed 1b39160e8ca1941c29a52b825f43f5c5...
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.