OpenTechnical

OT-2026-000084435

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, sustained 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-2026-000084435) never changes.

Identity and time

Publication numberOT-2026-000084435 · never reused
Internal UUID01a0ae98-5b63-7694-937d-bb4817f90eff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084435
StatusPUBLIC

Content hashes

Canonical text0365a23e559fb615329a4aa157d905b0603dbd0c5e184b370e4a98d2f014e574
Markdown9b2f305056f3ddf658eb85e2ae6eae58a4759d481227d821695b7daef184e17c
PDF
Publication page467ba2c4ad8dbd0d3e25ac4123a66cba4dd44944721afb0247da06e51ef66fed
Manifest539c4cdd6152c9630f5e4f5a68288e0257d6964d3859ed857d5a5a82db95f6c7

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
SignatureGBySUaakSU7V+b+0IzQzYxsyIjpIpUhWeNRdmke0/MZJN3W8xGEg9vqmnGjX34AbQPfAJIsnMxP8jkrXeuvVBQ==
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

2026-09-17T09:56:23.321447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084435
observed 467ba2c4ad8dbd0d3e25ac4123a66cba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:23.303743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084435/manifest.json
observed 539c4cdd6152c9630f5e4f5a68288e02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:23.283475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084435/publication.md
observed 9b2f305056f3ddf658eb85e2ae6eae58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:23.265720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084435/publication.txt
observed 0365a23e559fb615329a4aa157d905b0...
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.