OpenTechnical

OT-2026-000057231

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000057231) never changes.

Identity and time

Publication numberOT-2026-000057231 · never reused
Internal UUID01a0ae87-d5bb-7644-b6d9-240a56b9c916 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057231
StatusPUBLIC

Content hashes

Canonical text411eba2a40665ae04446691530dc009782ea0cbe007aafef9753907ad9b3a871
Markdown3fe1c39cd53f6a1d07699e43af114da44b3f2ff38117d0e86812e9ff4eb71525
PDF
Publication pageb8d71f4870ade25eea5ec646e90b035f5da8c5b263baba5eef0baf28f48ac7ae
Manifest25865a04f585e81c5949b4af649632c5b3ad7971fb9261a227e8375d0c9af6ed

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
Signatured7uPCvyFOYFy4n1wdL0tvDFWVDpLGHBROFl/XVXG6Tsgv9A+i+21ILP3XpHDpd4236BR2r2p9GUQQMmv9DCWAw==
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

2026-09-17T10:50:17.376683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057231
observed b8d71f4870ade25eea5ec646e90b035f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.352873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057231/manifest.json
observed 25865a04f585e81c5949b4af649632c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.328444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057231/publication.md
observed 3fe1c39cd53f6a1d07699e43af114da4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.309238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057231/publication.txt
observed 411eba2a40665ae04446691530dc0097...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:23.034523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057231
observed b8d71f4870ade25eea5ec646e90b035f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:23.015846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057231/manifest.json
observed 25865a04f585e81c5949b4af649632c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:22.997398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057231/publication.md
observed 3fe1c39cd53f6a1d07699e43af114da4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:22.979438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057231/publication.txt
observed 411eba2a40665ae04446691530dc0097...
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.