OpenTechnical

OT-2026-000097291

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000097291) never changes.

Identity and time

Publication numberOT-2026-000097291 · never reused
Internal UUID01a0aea1-01ca-71f6-90ec-a4f40275d6bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097291
StatusPUBLIC

Content hashes

Canonical text930716f5b020eb49f1d197df107830ad3d073968d13712d17c7c18039c91b0b5
Markdowna52739ccc25f9dd179d55b16e525b2c9bf5bab85c78010520e320ba8c843486e
PDF
Publication page6d2abb9eb2086a9092fdd6c6aef794a61c89cece3d555192d3f0a78ef0c54f32
Manifest35cd04760163ea7137a30c6b675db52a390b08e65c0a6465a344ce1aa3bb1004

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
SignatureXo5ABu0Yb/I7eu2ai5/3dmkbvKV/9BmFqcuNAaTYGIJ4q8gX82rnpQs05lC+6vEBuDYlnDkxYlpxTFIVwYlaDg==
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

2026-09-17T09:33:33.387513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097291
observed 6d2abb9eb2086a9092fdd6c6aef794a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:33.370718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097291/manifest.json
observed 35cd04760163ea7137a30c6b675db52a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:33.352460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097291/publication.md
observed a52739ccc25f9dd179d55b16e525b2c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:33.335885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097291/publication.txt
observed 930716f5b020eb49f1d197df107830ad...
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.