OpenTechnical

OT-2026-000059553

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000059553) never changes.

Identity and time

Publication numberOT-2026-000059553 · never reused
Internal UUID01a0ae89-ec23-7e52-babe-3270ad81d7e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059553
StatusPUBLIC

Content hashes

Canonical textf5fcc5dcf1cd18c79f1a8180bb577c3f24aa799891ed041a8c462a7ff3313736
Markdown25499bee4e413859802668011d51a96870bbb3053bd433cf85172fc8a3d4b806
PDF
Publication pagecea0f5ba86b92c185e54612c0f116dd939324b84ccd580fe2684f36671779ef7
Manifest911db47c18bac978a37ec84f085f3929cec4c36d3c26ce63f4679f7c702d16c8

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
Signature6vxY1aLcyTLEpyqW1XwRzrM6/sLcWyFn1ufGefpamCL7601VQhFhXkyyZnJEDALXzk2ZEDbpmgal1ilydpy6Bg==
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

2026-09-17T10:44:11.657733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059553
observed cea0f5ba86b92c185e54612c0f116dd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:11.636438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059553/manifest.json
observed 911db47c18bac978a37ec84f085f3929...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:11.615475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059553/publication.md
observed 25499bee4e413859802668011d51a968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:11.593213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059553/publication.txt
observed f5fcc5dcf1cd18c79f1a8180bb577c3f...
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.