OpenTechnical

OT-2026-000003853

Publication integrity record

Vacuum cup gripper, four outlet manifold, ejector fed, pressure verified, contact triggered on the face

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-2026-000003853) never changes.

Identity and time

Publication numberOT-2026-000003853 · never reused
Internal UUID01a0a90b-41ca-7768-bf52-856000b7c7f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:02.381188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003853
StatusPUBLIC

Content hashes

Canonical text02799d20c5d215bab889c8d040a36bbcf6ac0ce9a1f347e8a919464eceaeaac0
Markdowndbb45d01495e454169354ed789fad96b89d33d31e32aa9d3348c074b891770f1
PDF
Publication page7bca32363802ee29d0161a629ec79fe27de38bd7a565b43f3cd26b99411ae89c
Manifestf63e6150e202b007783a9d24947f62f1add428f404e6a925a89cd728f4a86bb6

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
SignaturecY3l4/qXLb0quSDAQits4Ef1b1ncfTaRNucExwNv8AS/e2gaTDUHVkr8I+soWX3l2PR03LME+iLtBmUkyEAcAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:16.432954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003853
observed 7bca32363802ee29d0161a629ec79fe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:16.418234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003853/manifest.json
observed f63e6150e202b007783a9d24947f62f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:16.403106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003853/publication.md
observed dbb45d01495e454169354ed789fad96b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:16.390037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003853/publication.txt
observed 02799d20c5d215bab889c8d040a36bbc...
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.