OpenTechnical

OT-2026-000027230

Publication integrity record

Foam pad vacuum gripper, 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-2026-000027230) never changes.

Identity and time

Publication numberOT-2026-000027230 · never reused
Internal UUID01a0ae72-3454-741b-ac41-4e220a80a65d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027230
StatusPUBLIC

Content hashes

Canonical text66140e9cf2de90ef95c2abe19da23c23e501f415ab1a7efb1afcf4aa55163db6
Markdown314b92359c089cf20a9ca168cea48bd4c3257c7225d77ae36e8d9e28e9400815
PDF
Publication pagecbc69469bb0871c1891286c03dac9582cf0a259255b4ccaa5d64d4e35fbdd3f6
Manifesta35ab88b6793dd2b9a12e0f085db6a30aaa888cb917f8b5b8f0d7e527caa5fd9

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
SignaturecjHKOoMglQDmMQ800di5bKsB1NXhP4D16lnhDudrMZgg+wurF6LcrzcSlzRKplEXTOA8r3VERNW16QDtOGqiBQ==
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

2026-09-17T11:44:07.419114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027230
observed cbc69469bb0871c1891286c03dac9582...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:07.401448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027230/manifest.json
observed a35ab88b6793dd2b9a12e0f085db6a30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:07.384473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027230/publication.md
observed 314b92359c089cf20a9ca168cea48bd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:07.369012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027230/publication.txt
observed 66140e9cf2de90ef95c2abe19da23c23...
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.