OpenTechnical

OT-2026-000079454

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000079454) never changes.

Identity and time

Publication numberOT-2026-000079454 · never reused
Internal UUID01a0ae96-0b91-7797-95ec-66c375582da0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079454
StatusPUBLIC

Content hashes

Canonical textf078cca539729a2d57335118a2a02d97da9d282ef024673c7b88b148074f6771
Markdown4b1374c161f06d2339da4a84557cbfaf71f907e5e60f4283c99fe1b5133164c2
PDF
Publication page893ee5c0171399a2c667a33acbcca8c742702ba9b889fa8a81f5039d4dfc0ef2
Manifestbcfea66ae2e5bddbf35f9bb4a29bb56273dc8e91f17cf3a6f52960cf233b91b7

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
Signature+yFx44fsXjytNfoIa3hvCfS5WVZ2kF99Lr1uJlW4+rvjRCjwfMC8MUXX1cxax3/b54daqlTpF8oO5ZSW0c+/Bg==
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

2026-09-17T10:05:04.843521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079454
observed 893ee5c0171399a2c667a33acbcca8c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.827332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079454/manifest.json
observed bcfea66ae2e5bddbf35f9bb4a29bb562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.810036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079454/publication.md
observed 4b1374c161f06d2339da4a84557cbfaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.777047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079454/publication.txt
observed f078cca539729a2d57335118a2a02d97...
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.