OpenTechnical

OT-2026-000099516

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000099516) never changes.

Identity and time

Publication numberOT-2026-000099516 · never reused
Internal UUID01a0aea2-c974-7e65-a799-d3ed3d8834e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099516
StatusPUBLIC

Content hashes

Canonical text0742d26115b2352d2405f5895c204dc3986ea19d372a06a7110e9cc7699311e3
Markdownc9043daeeef7faecfaebea52e0841fc4ac9d494ed7cecf221b58bf931820cd58
PDF
Publication page76a482c508af3130deb4229de14881e1a79e1f301daf69f4fdc744ff76a86cc6
Manifest937a5af1d39fd6d9c5e7f6d3d505db59398c75d25b0393b5cb5b481c4e79e39d

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
Signature4gnE65xKDOC3ZiDDRjYsCNKWKM4AAxZ3+EWwivCn3SVDU0H97xk0KepkN0xIqRRiM6ybeK3UdVQo/Ua1+q/MBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:24.784667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099516
observed 76a482c508af3130deb4229de14881e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:24.765429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099516/manifest.json
observed 937a5af1d39fd6d9c5e7f6d3d505db59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:24.747774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099516/publication.md
observed c9043daeeef7faecfaebea52e0841fc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:24.731105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099516/publication.txt
observed 0742d26115b2352d2405f5895c204dc3...
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.