OpenTechnical

OT-2026-000079718

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000079718) never changes.

Identity and time

Publication numberOT-2026-000079718 · never reused
Internal UUID01a0ae96-4375-7c00-9d52-fb90a8910dd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079718
StatusPUBLIC

Content hashes

Canonical text6483ea55ba38ca7ac8a89d22ab4daa650284ffb0a09dc9bc36b72fc5d99f4554
Markdowne85d536c6cffc2176e01dd9d19d8b88e7140fa4ab1ceead89eb9deabce3cb599
PDF
Publication page50be81c13f387bc329ea5001a288a53c2ad2e370934e7fa860866db2e3829690
Manifestf137a38bf81fb0296d8f9c1e5eb44ce9254c412f39f2c7cd0190186ba20ac4cf

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
Signaturede/zskVVc0Z29aD3RohJDuSHWqGskR2jsB8lauHWvy6474+ULKrD7yuk2N+UuTmttYI6Aqcp+gqfOyHSTxpEDg==
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

2026-09-17T10:03:34.740750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079718
observed 50be81c13f387bc329ea5001a288a53c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:34.721040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079718/manifest.json
observed f137a38bf81fb0296d8f9c1e5eb44ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:34.702588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079718/publication.md
observed e85d536c6cffc2176e01dd9d19d8b88e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:34.683450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079718/publication.txt
observed 6483ea55ba38ca7ac8a89d22ab4daa65...
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.