OpenTechnical

OT-2026-000032604

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000032604) never changes.

Identity and time

Publication numberOT-2026-000032604 · never reused
Internal UUID01a0ae75-1070-7408-8363-4ab24099f1ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032604
StatusPUBLIC

Content hashes

Canonical texte0b43d44e091497f8c958ebe7faaf527a11181b2191bf84b766ecda4a8a22b0a
Markdownd3483d237639305e3d19075bcbc61d409153d4ce14612e77558a1979b10a5476
PDF
Publication page82cf43ec2ae1ede474e43279ff43ee4bac08e3bfd38b3b85b23aa681c988569e
Manifestf84289551256086528f97f1a713be385f259c3e9e9b86670e912eedd66dc86fe

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
SignatureeLsrOdhR7Sv3jRXrOmNpJV5V851yrl00eDejVxdgp5cbrBRU308UnQWHp/fjfvJoYwnjQPYn3TCSL7VBXcfPAw==
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

2026-09-17T11:34:11.165228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032604
observed 82cf43ec2ae1ede474e43279ff43ee4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:11.146808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032604/manifest.json
observed f84289551256086528f97f1a713be385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:11.131060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032604/publication.md
observed d3483d237639305e3d19075bcbc61d40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:11.114063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032604/publication.txt
observed e0b43d44e091497f8c958ebe7faaf527...
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.