OpenTechnical

OT-2026-000061391

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, 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-2026-000061391) never changes.

Identity and time

Publication numberOT-2026-000061391 · never reused
Internal UUID01a0ae8b-7b42-78e1-80d2-4c9acdd3d865 · 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-2026-000061391
StatusPUBLIC

Content hashes

Canonical text2d9a2cf1929e7f2236183c74c1c6b3fc8e4c19292b393191a2802c9e5a1f162a
Markdownbaa87c85b9c5566ae00136e10abe5eeabbe83892729eec0e318f4ecebfa6b493
PDF
Publication page86181937bcc2602ae38df6e269435d1f7f339cf3cab1ea276c10b2d28e814f86
Manifestdf0126eabcaa432374c0a57c526d870d5a9c71cc6f015049d73730230450d61a

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
SignatureweFPtjqHr6pu6G7XV1LOTbXJIvxkcA4Oh8cPwzWCSQqHHKdLaUEmHhPOnpNESpsCrAsOar86K/opfFCPOaXUDw==
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

2026-09-17T10:41:15.116792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061391
observed 86181937bcc2602ae38df6e269435d1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:15.097929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061391/manifest.json
observed df0126eabcaa432374c0a57c526d870d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:15.077042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061391/publication.md
observed baa87c85b9c5566ae00136e10abe5eea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:15.059784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061391/publication.txt
observed 2d9a2cf1929e7f2236183c74c1c6b3fc...
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.