OpenTechnical

OT-2026-000069230

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000069230) never changes.

Identity and time

Publication numberOT-2026-000069230 · never reused
Internal UUID01a0ae90-b528-7173-8057-ecf4e713e0f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069230
StatusPUBLIC

Content hashes

Canonical text20caa3e5daa8a9449464900e608212b548509ff55bff629de20f96db43fb995d
Markdown733ee86cab1a44a50d4b1081d61e51b7923f45149648ec10e349ef95668cd0bf
PDF
Publication page1880abd219d95e421162a19354629b2310975b2bc1a7faf84d0ee5035fe7cb6b
Manifest99e884165da181d525a8a9ec7df9ca45d9e89477705554680920576ae064b3b6

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
SignatureAVPsoBJhDAwF8rHOw2walTEmNDmYsocVXsoRbjok8yCM04SAmr4rKB2Bu5Q1iHxX9QJYAqKiZkuNadNigm0yAg==
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

2026-09-17T10:27:17.878220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069230
observed 1880abd219d95e421162a19354629b23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:17.857824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069230/manifest.json
observed 99e884165da181d525a8a9ec7df9ca45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:17.835654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069230/publication.md
observed 733ee86cab1a44a50d4b1081d61e51b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:17.819290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069230/publication.txt
observed 20caa3e5daa8a9449464900e608212b5...
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.