OpenTechnical

OT-2026-000023453

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000023453) never changes.

Identity and time

Publication numberOT-2026-000023453 · never reused
Internal UUID01a0ae70-7269-732b-9f4f-7aa9a3322264 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023453
StatusPUBLIC

Content hashes

Canonical text550ed6553eec3584104ef4424ce67036084cd69d2bfc9c29ca87f84ba5fd0d64
Markdown7930ecb7d0e1289aec1eaa5746cd9ac00453935c0bc3ae950619060e26d468d5
PDF
Publication page336ae2cfefab95b96c22ded71d97fb42f0733dca89fc27f865cbd6d6eb0bdf2e
Manifest1f3e7fde105f0012abc1ad1967d1e9d13116d0c4c19ebdb0fbb7a0e3f1d7896f

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+vkSkpoXtHejog3umybqy53ZMNd5MbzDXqS24WslFG4OU/fVippViR8pbGEwhlSvvqUApUmesqaMZQkZUwp9Dg==
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

2026-09-17T11:51:40.288959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023453
observed 336ae2cfefab95b96c22ded71d97fb42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.271958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023453/manifest.json
observed 1f3e7fde105f0012abc1ad1967d1e9d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.254331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023453/publication.md
observed 7930ecb7d0e1289aec1eaa5746cd9ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.236295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023453/publication.txt
observed 550ed6553eec3584104ef4424ce67036...
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.