OpenTechnical

OT-2026-000104278

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000104278) never changes.

Identity and time

Publication numberOT-2026-000104278 · never reused
Internal UUID01a0aea5-3420-7d9c-a449-c8cf0f86f501 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104278
StatusPUBLIC

Content hashes

Canonical text920e8b2b172d911fd4078aa6ed3f5409bf37df865d8545aafdc97e2067e16f95
Markdown67d58743eecf635f4700e39479e741b98a06e70b469ae21acae1ac523b52c4df
PDF
Publication page8be76b5054a136602e345a719c90b260685e7e83ad546e99e0bd8ab2c1f951ba
Manifest70a11c4044dc5f268eb14e0df1c0569963d6f4d5b4796e527e5b2cd25ff8f4fc

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
SignatureS7hy08hr4NcY/ZZKLfNS9krPZj1AORXxta0k+zE+4OV94mMTFgKGF4yFuE+Rypur5wf+fRv07kgEhZb7RKLtBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:23.722125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104278
observed 8be76b5054a136602e345a719c90b260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:23.703404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104278/manifest.json
observed 70a11c4044dc5f268eb14e0df1c05699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:23.682551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104278/publication.md
observed 67d58743eecf635f4700e39479e741b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:23.658849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104278/publication.txt
observed 920e8b2b172d911fd4078aa6ed3f5409...
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.