OpenTechnical

OT-2026-000037445

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000037445) never changes.

Identity and time

Publication numberOT-2026-000037445 · never reused
Internal UUID01a0ae77-b8ce-72c1-a63c-f40c784b6177 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037445
StatusPUBLIC

Content hashes

Canonical textae18e236732a1657f54600fbd4d30fb7aa836dd673ca229d70328cd41c91281c
Markdowneb2e1ac9cf03f293b83eacecf6b5486cafedf64324abb722d388c892531f0b06
PDF
Publication page61fcb91128012148facf8a6f41a20b02e870941f3205dba4435af5d931f54f12
Manifest778f420242e3c495e7e86942102a2806ff1d7ee806ff52e40f5f0327d493eda7

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
SignaturebsQ+ISsCER4AkHnCbDClJUCq40a79CTUMuN7JOFCtbI4G0dMVXuqWbL2gzwzW7CsQTdBWr1GqAFddWq8my8JDg==
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

2026-09-17T11:23:52.683275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037445
observed 61fcb91128012148facf8a6f41a20b02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:52.665038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037445/manifest.json
observed 778f420242e3c495e7e86942102a2806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:52.646650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037445/publication.md
observed eb2e1ac9cf03f293b83eacecf6b5486c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:52.629425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037445/publication.txt
observed ae18e236732a1657f54600fbd4d30fb7...
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.