OpenTechnical

OT-2026-000099820

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000099820) never changes.

Identity and time

Publication numberOT-2026-000099820 · never reused
Internal UUID01a0aea2-c978-7e48-aa8c-596925fb8cc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099820
StatusPUBLIC

Content hashes

Canonical texte504103fb4d57ec2a0693246661cd545fcca33435aeae3b6b37b43aa75c88b89
Markdown17de72cbef11c6fcc5435dfa02e14a45b008c6885b21534ff4955b8c0aea7f50
PDF
Publication page44f609291e6239ec7ced7e455d31e76b2190fc04a8342763fa671308ec0dfbef
Manifestec7f863e06bd178d8067aa1c5f694b3e6ba6c91cdcb8e781841956ba3d735f2e

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
Signature301HFfE2KwKnvfWHa14G7FSoQd7wts3ES4Nwvf2jBYeLTr+aAd0rY6RkojYoS3baME4L6i6R25jiS4zhmyapDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:51.436304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099820
observed 44f609291e6239ec7ced7e455d31e76b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:51.419347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099820/manifest.json
observed ec7f863e06bd178d8067aa1c5f694b3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:51.402452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099820/publication.md
observed 17de72cbef11c6fcc5435dfa02e14a45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:51.385462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099820/publication.txt
observed e504103fb4d57ec2a0693246661cd545...
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.