OpenTechnical

OT-2026-000076503

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000076503) never changes.

Identity and time

Publication numberOT-2026-000076503 · never reused
Internal UUID01a0ae94-6a71-780d-a7b3-83fe854590bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076503
StatusPUBLIC

Content hashes

Canonical textfdfe371f4a61c715ef5261fa4cf90cc4628a2bc83db4ccbb18a0e1b286b070f3
Markdownf7add810116c10bd829c1c600c6357b2afec59c9159f94b366d3c62749882c1b
PDF
Publication page1f19b529491fa0afa672bf469e568387c6514d8df563ff69735a23a30ce25ceb
Manifestcfc221d2c034d1904da7cad0452d97b771b63d4e8be36832f8a0c00d77b96ea0

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
SignatureJsOAk7vK9kAgBeDUMpEqd94nKrhWxbvwZyjmCrnWHYKHTTHFUeUQWTdKqexNB9h2VoKxwvGYQWpe8XjHD5yCAQ==
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

2026-09-17T10:12:47.055621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076503
observed 1f19b529491fa0afa672bf469e568387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:47.035842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076503/manifest.json
observed cfc221d2c034d1904da7cad0452d97b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:47.015368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076503/publication.md
observed f7add810116c10bd829c1c600c6357b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:46.993671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076503/publication.txt
observed fdfe371f4a61c715ef5261fa4cf90cc4...
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.