OpenTechnical

OT-2026-000007974

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000007974) never changes.

Identity and time

Publication numberOT-2026-000007974 · never reused
Internal UUID01a0ae6a-908b-7a18-b14a-b79d28b3cc26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007974
StatusPUBLIC

Content hashes

Canonical textfd11dc84822f103b60228d4fb1e6243b339b5071813e3bf1ecec9c5045db9575
Markdown3b6348c1d70a563852d99d761a576e388d7c3e56a8e318aca2fd5cff65995c5a
PDF
Publication page29e3873bc06a2a33ba6cad36bc75a44d70784d8b2a0bd633e7ca7556e16832c6
Manifest60aa2df0f10491609158f40b68a478c8ef93dd41298affc1c51de9f7e9343b6e

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
SignatureNdoTFuiJNzuxWNVbCrZ3sNEB2/qos8CP83FtKlQnW/DhK3sglle+Z7t/gyaT/mF0TnXl//8wqVREf7eqmcFqDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:30.927077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007974
observed 29e3873bc06a2a33ba6cad36bc75a44d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:30.909602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007974/manifest.json
observed 60aa2df0f10491609158f40b68a478c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:30.879928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007974/publication.md
observed 3b6348c1d70a563852d99d761a576e38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:30.858609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007974/publication.txt
observed fd11dc84822f103b60228d4fb1e6243b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:06.945754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007974
observed 29e3873bc06a2a33ba6cad36bc75a44d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:06.925104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007974/manifest.json
observed 60aa2df0f10491609158f40b68a478c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:06.907732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007974/publication.md
observed 3b6348c1d70a563852d99d761a576e38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:06.889768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007974/publication.txt
observed fd11dc84822f103b60228d4fb1e6243b...
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.