OpenTechnical

OT-2026-000103167

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000103167) never changes.

Identity and time

Publication numberOT-2026-000103167 · never reused
Internal UUID01a0aea4-be3e-7d6e-9a63-a5ed80232db6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103167
StatusPUBLIC

Content hashes

Canonical text190431b0cbb2ec2dce3d578124e45fa0c9643cf1c2075e65086d612837920fd5
Markdowna6cbadddcf8ec6f40c54aef89efd1cd8eeaf06f0d8f734990712a1e9877f49c3
PDF
Publication page11feba3a8760710e6fb895acc5e1c7c16db594b08988147a4dd71764d19abd3d
Manifestb94b4e346374c17d5565c5c176affe631de06bce24c1a12384162aab24ce4314

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
SignaturePiOu/nug0XK8l6iOBTfbj4AyeesiEkYT0fqYKiJ5BYnWZEXFQp/b6gBq1iFKtA62mhKRWR1/4v5IFyB225afDA==
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

2026-09-17T09:23:23.004103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103167
observed 11feba3a8760710e6fb895acc5e1c7c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:22.977958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103167/manifest.json
observed b94b4e346374c17d5565c5c176affe63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:22.960244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103167/publication.md
observed a6cbadddcf8ec6f40c54aef89efd1cd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:22.940660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103167/publication.txt
observed 190431b0cbb2ec2dce3d578124e45fa0...
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.