OpenTechnical

OT-2026-000053613

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000053613) never changes.

Identity and time

Publication numberOT-2026-000053613 · never reused
Internal UUID01a0ae85-0a95-79e2-845d-ad7cf7eb5e61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053613
StatusPUBLIC

Content hashes

Canonical text0f19eeba2c6317aed7534f903266d9232fb032ad92501d88b3e5c44d352ebce5
Markdown72b39e53b2ee8e3d70b4c1ddb71ed081ea9bc98b5d296225c06d1c31451cc422
PDF
Publication page8c25cbc0ccdaaa630d9994b6bd8544f2837a5683d6178bc80b7cb6f3edc22f75
Manifest0842c37af4a7ae505cdb5ca426c182d3fe7cb67682ac32b5c4138b8789f92e87

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
SignatureFO/9KAPn4xQ8Eb6gN682GSa9l+pHh1Wad+MUf/G80gNF2S7GCzzaxq/SeGx+GahDWi1079WEs0m+0/YzlG6+CQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:29.382246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053613
observed 8c25cbc0ccdaaa630d9994b6bd8544f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:29.364647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053613/manifest.json
observed 0842c37af4a7ae505cdb5ca426c182d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:29.346124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053613/publication.md
observed 72b39e53b2ee8e3d70b4c1ddb71ed081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:29.328537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053613/publication.txt
observed 0f19eeba2c6317aed7534f903266d923...
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.