OpenTechnical

OT-2026-000080182

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000080182) never changes.

Identity and time

Publication numberOT-2026-000080182 · never reused
Internal UUID01a0ae96-7e76-7541-a2b7-7a3fb9ffaa11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080182
StatusPUBLIC

Content hashes

Canonical textdb86255cdcd0fb81b62a355bc2671b0896bfde2333698b1ed68da18d131a8147
Markdown7043c96542ac0b9285774277092aef7dc46b9b20d16eeed7b3770e8b95ff29f8
PDF
Publication page6880e6a1dfe25fefc0734190a89f404e515b05b044088c46c28d793e30bc73f9
Manifest391c1ebafb09e3e1dd5833cf7e19fc6e1fd6bf51fe9cf0b2e416fe05ccbd196e

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
SignatureNQnK1/hT8oErgw8grXH5YyD4ErEP3tR4ChScKMg6fgkEuEgYzvrR1z3Zky0heKY5Wy2+tOUXxpK6X3qmIez6AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:37.222912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080182
observed 6880e6a1dfe25fefc0734190a89f404e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:37.204784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080182/manifest.json
observed 391c1ebafb09e3e1dd5833cf7e19fc6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:37.186632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080182/publication.md
observed 7043c96542ac0b9285774277092aef7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:37.167455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080182/publication.txt
observed db86255cdcd0fb81b62a355bc2671b08...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent