OpenTechnical

OT-2026-000017426

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000017426) never changes.

Identity and time

Publication numberOT-2026-000017426 · never reused
Internal UUID01a0ae6e-76c9-7275-8210-a82fb70f2b42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017426
StatusPUBLIC

Content hashes

Canonical text05b37b0e152e140e9e72d1986dea6f40238b6a06bd704509d0cc0fd3ed332963
Markdowndac28892372bb22a1abadf2aabc1d38926e74587037ca26404fdf365dca04f70
PDF
Publication page4ed3da6506420ad0b8dc515714a8e86ecc5aef8000d9ae5b043f79bd33a93888
Manifest933f72fbb2f1236bd2f85650d63e033be8970458739bfc1c2b9bc1bb3de6c0f3

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
SignatureO5SUPIjV6PphytFPpGnZ464bvhNxX57SIlxxLQeoJlynwJOwYSK54kb45bSNteOHraX7jcOkQ4bgRAH87lfTBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:33.424082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017426
observed 4ed3da6506420ad0b8dc515714a8e86e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:33.405772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017426/manifest.json
observed 933f72fbb2f1236bd2f85650d63e033b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:33.387387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017426/publication.md
observed dac28892372bb22a1abadf2aabc1d389...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:33.370832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017426/publication.txt
observed 05b37b0e152e140e9e72d1986dea6f40...
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.