OpenTechnical

OT-2026-000039229

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000039229) never changes.

Identity and time

Publication numberOT-2026-000039229 · never reused
Internal UUID01a0ae78-9673-704a-816a-c72cd7193e4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039229
StatusPUBLIC

Content hashes

Canonical texte5ca63e5065ae306a841d3205abd3953fa5a98dc61d88c1769ca24c4b317b6bd
Markdown4b52a1ca7706bb9f4409c4b3adb208e3e440704147d60f1e8e6a84f4c69b40aa
PDF
Publication page033604595bbbcba24fa426ab9f1e5ebc5bf1f7fd3898ee54c29c66eac79113df
Manifest4308351a53e37349c1e503e1b4674421ce49234954e0afb15f52a827a0febc3f

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
Signature7JCE+LgD8cmtLPSSIs94BkUbeIiEO/O+Je02Vz64xgUX9OgEAYqV285qghzhBlEuEC947dkmyfJ6T5PlJtV6Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:46.932603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039229
observed 033604595bbbcba24fa426ab9f1e5ebc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:46.914223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039229/manifest.json
observed 4308351a53e37349c1e503e1b4674421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:46.896193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039229/publication.md
observed 4b52a1ca7706bb9f4409c4b3adb208e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:46.878724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039229/publication.txt
observed e5ca63e5065ae306a841d3205abd3953...
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.