OpenTechnical

OT-2026-000037578

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000037578) never changes.

Identity and time

Publication numberOT-2026-000037578 · never reused
Internal UUID01a0ae77-b8cf-7b12-97b7-e7bf67c8743e · 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-2026-000037578
StatusPUBLIC

Content hashes

Canonical textfee260e21dd962d20a3b4971b75d9c845dffab7b866f262050e433582684f1f5
Markdown047398143193e8a5b98fa27cf7b5087208657d8577c0d6b6614b0a7dd4edd8bb
PDF
Publication paged6f3e262670a8c93c653c00c3c79c22950d54883bfc93742cf455d74b8adf277
Manifestb102157e51ebe9a84adea593463aa69c801df9f061720dead94bbea2560b4e77

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
SignaturePEbHZRWARheKWX5wiWLa71g1cl8pqSp2INGXYnGHxcVLtN9n2V1gLzZLZwUSGyVVqoJiqvR6v3K/MWA+Ru1ODw==
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

2026-09-17T11:24:07.593566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037578
observed d6f3e262670a8c93c653c00c3c79c229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:07.575603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037578/manifest.json
observed b102157e51ebe9a84adea593463aa69c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:07.558510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037578/publication.md
observed 047398143193e8a5b98fa27cf7b50872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:07.539562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037578/publication.txt
observed fee260e21dd962d20a3b4971b75d9c84...
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.