OpenTechnical

OT-2026-000089564

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold 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-2026-000089564) never changes.

Identity and time

Publication numberOT-2026-000089564 · never reused
Internal UUID01a0ae9c-1a21-79b2-9896-8196e7cfce9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089564
StatusPUBLIC

Content hashes

Canonical text7a577069b7422fe0342b557473925d57590cf4c6b5a32c907405b8a6e8d97295
Markdown3c13ad4452f6485a18d0eb370bd8045445d35d21c8552e4b8793f1f77aed47fb
PDF
Publication page039ce2feeb47a9a5377a9b79b89adefbf175c2f3e883d1becab6f5f1722ecb10
Manifest36be0f1b1d40d0c7315a912dbeb1324ae8920d9528d3291e0ccd0d7932636b9f

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
SignaturezqkXYbdu84T/hodI/r6YMErFp71gEUYb+2uuT4UWWLbmoUhHiu2mp9pwOzkJ7gVNujpOdt+rVGBpM7O6hVIWDQ==
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

2026-09-17T09:46:32.224819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089564
observed 039ce2feeb47a9a5377a9b79b89adefb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.204903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089564/manifest.json
observed 36be0f1b1d40d0c7315a912dbeb1324a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.188037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089564/publication.md
observed 3c13ad4452f6485a18d0eb370bd80454...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.169012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089564/publication.txt
observed 7a577069b7422fe0342b557473925d57...
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.