OpenTechnical

OT-2026-000007647

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line 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-2026-000007647) never changes.

Identity and time

Publication numberOT-2026-000007647 · never reused
Internal UUID01a0ae62-76bd-73d3-8fb8-9a6df7a68cc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007647
StatusPUBLIC

Content hashes

Canonical text37cf1dcc92651d568f320bd92c0bfcd081fe622a399d6419a76b7f19986f5ca5
Markdowna0c5c6b32dd70245bd002bd81e0be57b589474f567e12f948f875b456dfae168
PDF
Publication page201ae5ae792fc8a32f873bf40a6f7f50d7cbe3be6e1263c87a3884185c6b68c9
Manifest6c99b20cbb6bce94e3cfc2485e5e081c8f3ca6b438d77192629a2fc3444cd993

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
Signature+fBlsekqqLcVeGWwubzhQ8b7m8FKlsHj5TXz2X9GXiof1uuVcG5yLkfTnApzM4l2QOPijtV3yl8GwJ9+tYD0Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:16.022786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007647
observed 201ae5ae792fc8a32f873bf40a6f7f50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:16.006782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007647/manifest.json
observed 6c99b20cbb6bce94e3cfc2485e5e081c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:15.989192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007647/publication.md
observed a0c5c6b32dd70245bd002bd81e0be57b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:15.966911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007647/publication.txt
observed 37cf1dcc92651d568f320bd92c0bfcd0...
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.