OpenTechnical

OT-2026-000072962

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000072962) never changes.

Identity and time

Publication numberOT-2026-000072962 · never reused
Internal UUID01a0ae92-c815-788c-99a5-c2f34686daa5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072962
StatusPUBLIC

Content hashes

Canonical text23cecd80f1c5f5b613a47ce221db390f0526eee8d8e4607678bb36a13f8166b3
Markdown255b6a49d487ad39a27329c3e4b4a0dadd92b7c3ddb56a919b498e7eec39ac9b
PDF
Publication page217d3c1e55774c156933a082a4eae6e2dc38ad25c2addae19fd1ef28049ceee9
Manifest8b478dc51347ba4d540a2f78a30e80e9128d7fe7c40a83811f76dd8f1d07ac1a

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
SignatureHH7xIXP8xvvw28RfZQJlxlC4N/xxRNpo1itqjY2KyaaA/SBL3VxsUxF3rxJD6EECeOfXJJHPjZLgstoeKAEwDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:53.219449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072962
observed 217d3c1e55774c156933a082a4eae6e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:53.202058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072962/manifest.json
observed 8b478dc51347ba4d540a2f78a30e80e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:53.185195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072962/publication.md
observed 255b6a49d487ad39a27329c3e4b4a0da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:53.166846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072962/publication.txt
observed 23cecd80f1c5f5b613a47ce221db390f...
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.