OpenTechnical

OT-2026-000060950

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000060950) never changes.

Identity and time

Publication numberOT-2026-000060950 · never reused
Internal UUID01a0ae8b-12f3-75db-88cb-8d97049ba5dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060950
StatusPUBLIC

Content hashes

Canonical text2388aac2d3e8a7c45d4bb7eaa59237e2202879594550623ea097782e3773f1aa
Markdownecdcd54d0399f1b67189d12fb1218bb976dd794b51953d91d9a212cb3dda105b
PDF
Publication pagee2e84a56edab6a2d933fa41fdff4e286a7983fc9d804af808f1e62b03e65ff81
Manifest017cbd4e72779d35a31780f4135595afbcecfad404ada46cdd5a75225ae0b4d1

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
SignatureWrpeHfxOFIti5/eJxOta/eWauf8xVg6Jm8QARVwhyvLU5E4QcMpbV/n6W5PYyjx6Mo8hUQLetpNhik5r/QxdCg==
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

2026-09-17T10:42:13.527728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060950
observed e2e84a56edab6a2d933fa41fdff4e286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:13.510733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060950/manifest.json
observed 017cbd4e72779d35a31780f4135595af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:13.495419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060950/publication.md
observed ecdcd54d0399f1b67189d12fb1218bb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:13.477451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060950/publication.txt
observed 2388aac2d3e8a7c45d4bb7eaa59237e2...
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.