OpenTechnical

OT-2026-000006105

Publication integrity record

Vacuum cup gripper, three zone face, pump fed, pressure verified, contact triggered on the face

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-2026-000006105) never changes.

Identity and time

Publication numberOT-2026-000006105 · never reused
Internal UUID01a0a94f-7d08-72d3-9f83-16d81f50b044 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:22:33.995052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006105
StatusPUBLIC

Content hashes

Canonical text01b33133434adf29ba552d361d4d788ef9d42994c7ffe0d481dbf8fc9db8ad5b
Markdown67161ffb90a12d07b49f8f6b975b81ab229b9f94c574b560f6891cc238deb6b9
PDF
Publication page355f408ca2ed69262338c10cfbd6042c5b71040aa4c3c30338462c0764053061
Manifest37a88935f51d1bdff4c2bf09307d7337391b3135e09fd6066636a61c2d2fe65c

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
SignatureTESWG4DlBRctCYv3Tz9YniOvQTUikkAbdsOUsAHQh+3REVxLu98j09M75DlB/GZQ+kQo/It7L7Oq5c3PVUfOBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:26.930548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006105
observed 355f408ca2ed69262338c10cfbd6042c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:26.914905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006105/manifest.json
observed 37a88935f51d1bdff4c2bf09307d7337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:26.900033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006105/publication.md
observed 67161ffb90a12d07b49f8f6b975b81ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:26.884989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006105/publication.txt
observed 01b33133434adf29ba552d361d4d788e...
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.