OpenTechnical

OT-2026-000048598

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, 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-2026-000048598) never changes.

Identity and time

Publication numberOT-2026-000048598 · never reused
Internal UUID01a0ae80-4de8-7911-9412-4d7e8994cdeb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048598
StatusPUBLIC

Content hashes

Canonical text5da75dd3ac37c19da41ffd0c12894d9bc49a4a6aac871f2cfef5625122eb02ee
Markdown720006ea5bc7a5cdef3acb32a7d4eff235177782b4fc86711fe74e2fcfe405b8
PDF
Publication page13ccb65a00b14aeada6d2476924b9527888c623d599212bc02cbcbeaeeca41fb
Manifest40f29e94a33c111b9373533d4eeab863484e22d4fdd8de338a7c4b8b311e953f

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
SignatureDvy3T/f+6AOuxlemTGx/GalRNp1Dm8AJYc3DUDWVow3w/8+Rto02mG40n7ilV3Z858ddBn7bxhDx6Uxg9K9fAA==
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

2026-09-17T11:05:24.617802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048598
observed 13ccb65a00b14aeada6d2476924b9527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.598001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048598/manifest.json
observed 40f29e94a33c111b9373533d4eeab863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.577629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048598/publication.md
observed 720006ea5bc7a5cdef3acb32a7d4eff2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.557355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048598/publication.txt
observed 5da75dd3ac37c19da41ffd0c12894d9b...
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.