OpenTechnical

OT-2026-000089772

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, 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-2026-000089772) never changes.

Identity and time

Publication numberOT-2026-000089772 · never reused
Internal UUID01a0ae9c-1a22-7427-840d-237ba114349c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089772
StatusPUBLIC

Content hashes

Canonical textcf085b3760741bb99afe05689f43b29cf11e12dd390885a1e3ab9f8513fc9a30
Markdownd10ed812daf59d976b08385546e1632ec5a0c517a95bfa63ed5316d36822d9d2
PDF
Publication pagedabb0be2aed3f21672ce1a552f799117f2bb7291d4a61b3e5579f597a53da81a
Manifestd3d56c6f95a2c1d797a29f5cdd98ea7025ecca0ffe6a10b90bfcd3e41586936f

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
SignatureYVw2s8pxSW6K6iyLN/P5RtSsQMgAwrvkxGLtS7/O5MDAoOfg7/A/J/tRB3295UkZRw9ZG5XJejzB20WSeX9gCA==
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

2026-09-17T09:46:51.567850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089772
observed dabb0be2aed3f21672ce1a552f799117...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:51.549911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089772/manifest.json
observed d3d56c6f95a2c1d797a29f5cdd98ea70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:51.533258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089772/publication.md
observed d10ed812daf59d976b08385546e1632e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:51.516181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089772/publication.txt
observed cf085b3760741bb99afe05689f43b29c...
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.