OpenTechnical

OT-2026-000015358

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000015358) never changes.

Identity and time

Publication numberOT-2026-000015358 · never reused
Internal UUID01a0ae6d-ef49-77d7-ac2f-2a1ffd34350d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015358
StatusPUBLIC

Content hashes

Canonical text8e96cd05b0f592e95925891211690c48dee2398961f53093c9fcf4ead084bad3
Markdown3e5174075958dd9f2e8755ddcabe5e159e916587a3b363ca8e165d651d1acaa8
PDF
Publication page98c8db585b75ce9d961d6f39e7ceb255da8d84e4f49945c77d1770c655dfd180
Manifest642ca0bce7c8f90fb6a355f7878c36bcda68e7a27a957d36aec19fe3f53961fd

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
Signature56aMPiR/S1K6pe4q06MD7VFk6rJVP1Zrf7oTnxLOgd6yi4JyPycUGWfYwma4hF2bHl5+4ku3PThFNxv+9axPAw==
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

2026-09-17T12:06:04.018364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015358
observed 98c8db585b75ce9d961d6f39e7ceb255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:03.997613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015358/manifest.json
observed 642ca0bce7c8f90fb6a355f7878c36bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:03.976950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015358/publication.md
observed 3e5174075958dd9f2e8755ddcabe5e15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:03.954981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015358/publication.txt
observed 8e96cd05b0f592e95925891211690c48...
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.