OpenTechnical

OT-2026-000099243

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000099243) never changes.

Identity and time

Publication numberOT-2026-000099243 · never reused
Internal UUID01a0aea2-8289-74b8-a780-fe76c2e2f14f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099243
StatusPUBLIC

Content hashes

Canonical text820f26f6a005e6bb8a16a4545156d4ebcac3bf651ce48a4e7e3cca37eecaacdf
Markdown3e4a54a442a0969245bd885dc3edff74534772eee8b45f5cbb2c51298968fbcc
PDF
Publication page9f8555628954883738f8d3d0b5ef3a3675eea252c805aaec910c56048e13aef8
Manifesta181f1bc0d70670b5771c3ce5f2096ceba6fb1b26e8104caf7496e67ceac5937

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
SignatureYvnXGqZ9J1tmcFUlx/pp1FXKXubpvQpeM/s4a0hqTDC53EjaN6ZGzG0PvLGeXnO/s8sELGG1ZqFyAzt7zbrbDg==
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

2026-09-17T09:30:40.912297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099243
observed 9f8555628954883738f8d3d0b5ef3a36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.892728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099243/manifest.json
observed a181f1bc0d70670b5771c3ce5f2096ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.870826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099243/publication.md
observed 3e4a54a442a0969245bd885dc3edff74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.852860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099243/publication.txt
observed 820f26f6a005e6bb8a16a4545156d4eb...
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.