OpenTechnical

OT-2026-000059234

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line 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-2026-000059234) never changes.

Identity and time

Publication numberOT-2026-000059234 · never reused
Internal UUID01a0ae89-8613-7bfa-b8a4-97ef71cf6929 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059234
StatusPUBLIC

Content hashes

Canonical text3b49568457b585014ea82eaf187a9d8431e23be4e1d77c847e93dc282832a7fb
Markdownb7c81d77216a5fe8edf1c2b41dd634dbfb02d66fee97c9a1ce72f50606645a9a
PDF
Publication page69083f71921860ea2907f2f949000a3d2165db196e3c50c07a5994662f335c11
Manifest80ee54fe4a9397b53eaf56bb814ad808b13e7b5f94507151dd995aecf755e6df

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
SignaturePkNnryWclj2kJD1KO7OTDiQlqEOYtfFyZTszvGCTDRp8lCrFtg4+kVUcQH1gXwAqSaQwrYT5Nx9u9MnPzLfjDA==
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

2026-09-17T10:45:46.084762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059234
observed 69083f71921860ea2907f2f949000a3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:46.067908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059234/manifest.json
observed 80ee54fe4a9397b53eaf56bb814ad808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:46.049833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059234/publication.md
observed b7c81d77216a5fe8edf1c2b41dd634db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:46.031935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059234/publication.txt
observed 3b49568457b585014ea82eaf187a9d84...
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.