OpenTechnical

OT-2026-000097552

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000097552) never changes.

Identity and time

Publication numberOT-2026-000097552 · never reused
Internal UUID01a0aea1-55b4-703e-b0f4-f00c73befff8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097552
StatusPUBLIC

Content hashes

Canonical textef1ef0e152e59f102b8bd72b4686b964f2e5fd08a9efdf9cc33fed8e7d5e5f75
Markdown1588c2689d332421b9ab8fba0777e2f1c18727b30207fe233e9bf8137990259b
PDF
Publication page57a8c3a2caa59d796606bb38a189c7a6760303d26ef54853043eb6c2470655e6
Manifest9b4bdad2c56be1aef9cd138a431702ca89d6bbdf205e03ff440c8bdc8f269887

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
Signatureqg3T9DHouVxnFms3kvCp32/QIEnvCXnjfqcxkopxDznmyMVQfLM7bWE19E6FdGctK1NYR6KUlpgnOo2DAOmBAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:26.002543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097552
observed 57a8c3a2caa59d796606bb38a189c7a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:25.986598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097552/manifest.json
observed 9b4bdad2c56be1aef9cd138a431702ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:25.969796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097552/publication.md
observed 1588c2689d332421b9ab8fba0777e2f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:25.954074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097552/publication.txt
observed ef1ef0e152e59f102b8bd72b4686b964...
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.