OpenTechnical

OT-2026-000061499

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000061499) never changes.

Identity and time

Publication numberOT-2026-000061499 · never reused
Internal UUID01a0ae8b-7b44-735a-9768-b84bbd24e1a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061499
StatusPUBLIC

Content hashes

Canonical textd0a20e48c3e0285abf5cfc9561434fc84e1e5ce2a5012d9f2d70e29489b0409f
Markdowndace43478af18e352329f8f779c0bedfdc90467b086e87f521cee319077bf693
PDF
Publication pageaa6566c5ea22a3c9b8d567697e04eb5ae62212328ab9dbb5011b1d9e4cac1c28
Manifest21bf04f2005e03b4bb9906e29cd891c63c55f819e5207ef08852ce06f756ba79

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
Signature72KljEIy5F3Xz6/nSxgcWwwTct6OUd6JV7qSsbOt/Unn938Gw0t7q+52xLj3G7wxJqIOA1a5Wz8D5Jl5yT9tCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:23.586184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061499
observed aa6566c5ea22a3c9b8d567697e04eb5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:23.564624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061499/manifest.json
observed 21bf04f2005e03b4bb9906e29cd891c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:23.546180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061499/publication.md
observed dace43478af18e352329f8f779c0bedf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:23.528894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061499/publication.txt
observed d0a20e48c3e0285abf5cfc9561434fc8...
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.