OpenTechnical

OT-2026-000061564

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000061564) never changes.

Identity and time

Publication numberOT-2026-000061564 · never reused
Internal UUID01a0ae8b-7b44-7f93-b410-34a3e4c2311c · 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-2026-000061564
StatusPUBLIC

Content hashes

Canonical text16df3d8a9140507f4ca03db41af0fc4a297988ed4fa8d6350606030587bf5149
Markdowndeed7668127724bae9e474c6327c5f7590a4cb85c71dfaea88c3707600885b23
PDF
Publication pagea5854a0211e0fd592b0d4f4c3ea5e7c2778be3af6ba6ab0ecb2de1c58e80ce47
Manifestfb462563d4622a466db128faa655a665f1ca64bacb44c1a9abf24315b455966f

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
SignatureONvbxtyZWehNC/vmF1CO2nYs5jjCxurA/TnAf0hf//Nx11gJwu5Oe+5Jnp02Ws/yMa9pc1Ig6RprY5jZTc6xDw==
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

2026-09-17T10:41:28.780218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061564
observed a5854a0211e0fd592b0d4f4c3ea5e7c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:28.761794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061564/manifest.json
observed fb462563d4622a466db128faa655a665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:28.742334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061564/publication.md
observed deed7668127724bae9e474c6327c5f75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:28.722445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061564/publication.txt
observed 16df3d8a9140507f4ca03db41af0fc4a...
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.