OpenTechnical

OT-2026-000037626

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000037626) never changes.

Identity and time

Publication numberOT-2026-000037626 · never reused
Internal UUID01a0ae77-b8cf-7c67-8293-3df731334a84 · 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-2026-000037626
StatusPUBLIC

Content hashes

Canonical textddbe7bce2127e228006d788a7bb578a135452a6a7df0c15132cae95a0bed20f4
Markdown15c8222dd34301dbee569213c7836a91c77d65849943560e4c8c9cc91d211453
PDF
Publication pagef423f56e3d4d6e7a60816f9a143d5ce892dd5c3e4fb3bd0f30793096654a0bc9
Manifest7e9e55acea77b686c7975d380b3c53dcd62dc954e7fa6aa17994d05bd8e933bd

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
SignatureKEKx+jSYpnZ2NwrRL8E0dWi6ZGLU1PXr3du6xDq4fUjmuZwgTKtxMCIiIBNfU74zEI6gKehWkwVR1GUB/2yMAQ==
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

2026-09-17T11:24:11.400864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037626
observed f423f56e3d4d6e7a60816f9a143d5ce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:11.382907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037626/manifest.json
observed 7e9e55acea77b686c7975d380b3c53dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:11.363966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037626/publication.md
observed 15c8222dd34301dbee569213c7836a91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:11.345406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037626/publication.txt
observed ddbe7bce2127e228006d788a7bb578a1...
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.