OpenTechnical

OT-2026-000074807

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000074807) never changes.

Identity and time

Publication numberOT-2026-000074807 · never reused
Internal UUID01a0ae93-ac2c-7f45-92bd-570994d8c070 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074807
StatusPUBLIC

Content hashes

Canonical text8a7784211ee032e549607f835c6e3e98e07c71dadb8701d0b61617bd3a933985
Markdown5a4bed4adea603ae42f1c09354540efe28c5e5b036d0c5899526fcc83bb01c5e
PDF
Publication page32fb157ef8698779819b3841f8e8fa29393bbb91e4833b65f4891d02c03f2a32
Manifest86dfd2556392032884b34ed58ba690f406a951fc684a00f24e5b1eca59d66d4d

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
SignatureAW9DxOEwfhI74ohpKGNZH/gBypeaU2GXpR9gQQFom3BFMk8JLjZ2EqQzzi3BnhagADigWTlgCMjZqyRWUjaHDg==
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

2026-09-17T10:18:30.762377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074807
observed 32fb157ef8698779819b3841f8e8fa29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:30.745495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074807/manifest.json
observed 86dfd2556392032884b34ed58ba690f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:30.726736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074807/publication.md
observed 5a4bed4adea603ae42f1c09354540efe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:30.710335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074807/publication.txt
observed 8a7784211ee032e549607f835c6e3e98...
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.