OpenTechnical

OT-2026-000069260

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000069260) never changes.

Identity and time

Publication numberOT-2026-000069260 · never reused
Internal UUID01a0ae90-b528-70e0-9061-9c5e93021443 · 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-2026-000069260
StatusPUBLIC

Content hashes

Canonical text38f52ab8ebe2b57e3f324fb2c46c2ac54ed8107e3f840cf00933bb23ac78babe
Markdowned148869557392a974eb84573796abc0b877f979862fcb80907da9179f765f8d
PDF
Publication pagecf17ebf0beedf260b78c159b56aeb4532450aba7ba863e118eb229dd250dc695
Manifestbdb35d6b8942d6dff11688beb69615edf012d454b145fd9c8f5df725920637ad

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
SignatureRa2Q6lU7/u7he22H3fNI1+W3sGnhSEqcAaR+9fMjuf7ZX/bthMIkikB3zKlTpHOIPN+UfEXcuqtb0Y+uRpREAw==
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

2026-09-17T10:27:20.447859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069260
observed cf17ebf0beedf260b78c159b56aeb453...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:20.427896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069260/manifest.json
observed bdb35d6b8942d6dff11688beb69615ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:20.409192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069260/publication.md
observed ed148869557392a974eb84573796abc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:20.389183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069260/publication.txt
observed 38f52ab8ebe2b57e3f324fb2c46c2ac5...
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.