OpenTechnical

OT-2026-000015819

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pulsed blow-off before set-down

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-2026-000015819) never changes.

Identity and time

Publication numberOT-2026-000015819 · never reused
Internal UUID01a0ae6e-0c4c-7236-a560-9cc8dc7ca601 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015819
StatusPUBLIC

Content hashes

Canonical textcdd8754a9260ce259cff62659a4a8875942fd73eb69cd644f8b28336e41aeea1
Markdown181ea2634992646349e6c94cd56ed1788f0b02a50e80a126659cd515a20cf892
PDF
Publication pagec19b6af5daa884f4429e68a485349fa169311505e0cbb8b0da5b1224f6b40e2a
Manifest0589593c5aa1b0d7cb8e21c87851298197abf5c163bcc04030af190b07af5b58

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
SignatureEaWvy6XjoicF7ky+MWdusL9Wx6zEnwCkOBUwehNr7fdzVqEjMjMQoKJsy7iV77sAxEi3YA1cwOIqc4iaPjcZBQ==
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

2026-09-17T12:05:07.959470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015819
observed c19b6af5daa884f4429e68a485349fa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:07.939683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015819/manifest.json
observed 0589593c5aa1b0d7cb8e21c878512981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:07.921635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015819/publication.md
observed 181ea2634992646349e6c94cd56ed178...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:07.901591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015819/publication.txt
observed cdd8754a9260ce259cff62659a4a8875...
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.