OpenTechnical

OT-2026-000057870

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000057870) never changes.

Identity and time

Publication numberOT-2026-000057870 · never reused
Internal UUID01a0ae88-6ed8-7185-a963-c468c5b56224 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057870
StatusPUBLIC

Content hashes

Canonical textd261ececbca8e686a8cba4a29e70c55ea31a3d1694aaf9c8f652c129fd4b0553
Markdownc9cea63245fb29876390e64ca158b075f664e2206bee05729681960ce286dc48
PDF
Publication page837a1426c5b44c7fd7221578f7a3a77531ba2a5aaa3f667e9a7a93224a04d84f
Manifest3e411712ae79ac67596c06ffc640db79dcddf2d3d7073ef7d2c9c09e0e7caf43

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
Signature5NXyfLxFaWz6Cm2Zao73ss7sdpSlBff6ab33wAeQ/f51y92Vo6BhfTuAxknmL7TjYdQAvsB6J/fLzUs5A+fdDg==
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...

Independent retrieval

2026-09-17T10:47:27.349465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057870
observed 837a1426c5b44c7fd7221578f7a3a775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:27.330005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057870/manifest.json
observed 3e411712ae79ac67596c06ffc640db79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:27.311584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057870/publication.md
observed c9cea63245fb29876390e64ca158b075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:27.290444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057870/publication.txt
observed d261ececbca8e686a8cba4a29e70c55e...
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.