OpenTechnical

OT-2026-000097732

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two 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-2026-000097732) never changes.

Identity and time

Publication numberOT-2026-000097732 · never reused
Internal UUID01a0aea1-92f5-7e00-b132-5992d7b00191 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097732
StatusPUBLIC

Content hashes

Canonical textc9b48c349a6a1decf5fc0e0d694e76aebc2efcfd6f9681b6a08a58b664cb621a
Markdown924ef08f4fd1c96cc2725f357433060c1862bf95490d3251bba4aee31ce2d666
PDF
Publication pagecbf46bcb853e3474e73660d05fcca4c1cae2516e857093c919b20f494143852c
Manifest7af3ad69f17b2c0d4ac39c1695cbf291e865afead650b5846744046cb592ff56

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
SignatureoWwPW4wNge/8YvhYTpj66JgR9MrD3bkVv6lbwFM9WGiPNK5kd9VJlaKHtwyGhTE69pEhNk9KIxRfqcQMdJqYCg==
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

2026-09-17T09:32:46.217516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097732
observed cbf46bcb853e3474e73660d05fcca4c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:46.193168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097732/manifest.json
observed 7af3ad69f17b2c0d4ac39c1695cbf291...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:46.166329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097732/publication.md
observed 924ef08f4fd1c96cc2725f357433060c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:46.140118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097732/publication.txt
observed c9b48c349a6a1decf5fc0e0d694e76ae...
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.