OpenTechnical

OT-2026-000089446

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000089446) never changes.

Identity and time

Publication numberOT-2026-000089446 · never reused
Internal UUID01a0ae9b-db02-735d-8afa-97474a19f86c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089446
StatusPUBLIC

Content hashes

Canonical textc7e67c7dfe831fc19dcafdfc166a097318062ae68a642a2206aefbdf717870f2
Markdowncb955981e7870bb26bb3f6218eac716a11d906801881a111d0cb596226010422
PDF
Publication pagea98352a10755acdfa4c0691c57a01b932468759fe4bc723e52543d66c3aeeb9d
Manifestf1a041ff83f29bb4ba641285c95741a3b8c30e5a5e1778c53666fa71e94477a4

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
Signature8Y2qnV4pfcQqfC+wDYR96RdMFKbKNsBCkvzNPMH1tztxwJbM3GgEWk/mTUT51VYOjkOPyWUOcXjY9Tap1QhSAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:35.672487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089446
observed a98352a10755acdfa4c0691c57a01b93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.654576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089446/manifest.json
observed f1a041ff83f29bb4ba641285c95741a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.634538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089446/publication.md
observed cb955981e7870bb26bb3f6218eac716a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.614319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089446/publication.txt
observed c7e67c7dfe831fc19dcafdfc166a0973...
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.