OpenTechnical

OT-2026-000058667

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line 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-2026-000058667) never changes.

Identity and time

Publication numberOT-2026-000058667 · never reused
Internal UUID01a0ae88-f39d-74cf-a007-e7858b80466b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058667
StatusPUBLIC

Content hashes

Canonical text231f5a8d379ff7cae100e97c4efece0b1ce59f6f7d9648b53a2fe10a244a01db
Markdownde0a622d91805453968849b1d7752fb287917cd4a0b98c88655de265d173879d
PDF
Publication page92e3b5fb98b6968876c30727b142d43dd5eb418d3d6ab5906a73fe80da8c1d07
Manifest62e6fa802151f49ab1a4f9b1f500f8e6e2788572c947d233afb2be28320ca367

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
SignatureUsvdo+q0GThbTSj+cRCyspdhvW/aRRnnz8LWKIWgba+t37xkXch/zEI+3vIjdL0OoECXlESfn4+KyDB0Lqr8Cw==
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

2026-09-17T10:47:11.084989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058667
observed 92e3b5fb98b6968876c30727b142d43d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:11.066299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058667/manifest.json
observed 62e6fa802151f49ab1a4f9b1f500f8e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:11.048005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058667/publication.md
observed de0a622d91805453968849b1d7752fb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:11.029453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058667/publication.txt
observed 231f5a8d379ff7cae100e97c4efece0b...
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.