OpenTechnical

OT-2026-000015849

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000015849) never changes.

Identity and time

Publication numberOT-2026-000015849 · never reused
Internal UUID01a0ae6e-0c4c-7e41-8158-2acf716078eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015849
StatusPUBLIC

Content hashes

Canonical text7f68569c74ec6c4bb316b658d83711d976fb87039d29cfd657eaa13f7952af26
Markdowne9997949d3a340fd375166fdbbca1b3b22344ed3e6f3c432d643cd8ad6d381a2
PDF
Publication page0c8389e085df37ca9d56cc55dbe1910d4e6bb7a795901e1174afe41f05b5f47e
Manifest6a5b2ea0dcdf491c3a82017c265357d5f28ff897460991bcd685be241c02c99a

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
Signature9LiKypDudq5rbAkWOyzCOvmp13wS0p7rD/JeCueOu+kbn1GR9uZD9zcUojGwLXP69btaOg8IDkSTw2tukt3MDA==
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

2026-09-17T12:05:10.511466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015849
observed 0c8389e085df37ca9d56cc55dbe1910d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:10.488683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015849/manifest.json
observed 6a5b2ea0dcdf491c3a82017c265357d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:10.462026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015849/publication.md
observed e9997949d3a340fd375166fdbbca1b3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:10.438982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015849/publication.txt
observed 7f68569c74ec6c4bb316b658d83711d9...
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.