OpenTechnical

OT-2026-000074917

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000074917) never changes.

Identity and time

Publication numberOT-2026-000074917 · never reused
Internal UUID01a0ae93-ac2d-7f34-8c8c-ac911221f248 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074917
StatusPUBLIC

Content hashes

Canonical text81ce3fead4c86ee22208c55decb0ce974a5e4e211e8624d99933bf97b674861f
Markdownef6e9182d71ec176038d30de557e51535cc327e2aabef343ee52250e2a0e2a89
PDF
Publication page7552c5d539f348df07f268fa06a07e0b36a72ac66768c24717e502e58279a137
Manifest75f6cc15a936c08014c7b2a36582c6e0b7b64d2b206049036f930d0fd380db6f

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
SignatureYZJdYJr3NueK9DNjAM8VesfeHlDbMDZSMjwN1gXmeo1IxjKQ76b5fsolRISX+8K7ZAFd1IxvBNEPt2O9NX54CQ==
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

2026-09-17T10:18:38.577231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074917
observed 7552c5d539f348df07f268fa06a07e0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.559704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074917/manifest.json
observed 75f6cc15a936c08014c7b2a36582c6e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.543104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074917/publication.md
observed ef6e9182d71ec176038d30de557e5153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.525344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074917/publication.txt
observed 81ce3fead4c86ee22208c55decb0ce97...
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.