OpenTechnical

OT-2026-000091649

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091649) never changes.

Identity and time

Publication numberOT-2026-000091649 · never reused
Internal UUID01a0ae9d-43b8-70b4-95ee-8e49433a1f11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091649
StatusPUBLIC

Content hashes

Canonical text490dc9851bee7fe74afcf5fcf4fb71fff8f39462780e97085f60052a577dd816
Markdownff5ae3e8e75eee1852073a914db176197f27c0b6ffb49dd49d3485c3265a882b
PDF
Publication page37392d93b49f7949babb9b678bf51f8c62fe1adf543bc8eed4da5305bb2d3cff
Manifest8ebb3701fd0432192307d5fc6f29f6edbd740ae07d5fc78e43a943a629931a8d

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
Signature+jopfx8fa385FUeT6oGu4dslzwTcYTufsev+Xxv9nOmOWjJ3VOywpoWiIs6tZPIC8qj0Q6u3X+Exs0KYcnDvDw==
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

2026-09-17T09:42:01.312777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091649
observed 37392d93b49f7949babb9b678bf51f8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:01.294546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091649/manifest.json
observed 8ebb3701fd0432192307d5fc6f29f6ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:01.275823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091649/publication.md
observed ff5ae3e8e75eee1852073a914db17619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:01.258301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091649/publication.txt
observed 490dc9851bee7fe74afcf5fcf4fb71ff...
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.