OpenTechnical

OT-2026-000026030

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000026030) never changes.

Identity and time

Publication numberOT-2026-000026030 · never reused
Internal UUID01a0ae71-a840-799f-9a64-52a4309f0ed9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026030
StatusPUBLIC

Content hashes

Canonical textdfb468f6a7583d572af8f59d4a5b27814da79b56030eb5f35cd300760d691114
Markdownaca3f62c87a0d8bf581aeacae0be7eab6c4c895c30526f9365be027cc265bc36
PDF
Publication page6c71dba86c8e0b85aa8263d1a0c0eb17b507e35c554350e47b6ebb3a4bba7007
Manifest926f93d929034da86b381dc48f8d2a0af4ac9afb121f9ac591d5911e60106a69

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
SignatureT+oZ6xFHTduMHqbB/M/FGly9QwAHxmSVECglA0+UpZSyLdbtdW4AOcFowLe1CPQ0INTivS3qfHYBaEMCxJD6CQ==
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

2026-09-17T11:46:24.547197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026030
observed 6c71dba86c8e0b85aa8263d1a0c0eb17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.530540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026030/manifest.json
observed 926f93d929034da86b381dc48f8d2a0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.513783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026030/publication.md
observed aca3f62c87a0d8bf581aeacae0be7eab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.495665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026030/publication.txt
observed dfb468f6a7583d572af8f59d4a5b2781...
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.