OpenTechnical

OT-2026-000091780

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091780) never changes.

Identity and time

Publication numberOT-2026-000091780 · never reused
Internal UUID01a0ae9d-43b9-7854-8771-23f0d8cdb048 · 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-2026-000091780
StatusPUBLIC

Content hashes

Canonical text33a0d1beb5d2954330deaa6e918671f0b02581d4c3692bad60edac350de8c30a
Markdownb65ca21531d902a0e6092bb5771819959406faff940404516e21c55a8c0fd840
PDF
Publication page981771d0209d3d0e0d2202ef544a3be1b2536dd796bc375f95c79908398a280a
Manifest0193e15dc73f9906defb493bd126b220623ab9740c728c067ddcb439e36c6379

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
SignatureRgOba0WpUVgV7Gz3ZjLMAxZenGOHOoQVIWJcApSzSWZassJx6iiYg125LMDEtU58h6HkEBGT+32B4aT45R+eAw==
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

2026-09-17T09:42:40.617416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091780
observed 981771d0209d3d0e0d2202ef544a3be1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:40.600626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091780/manifest.json
observed 0193e15dc73f9906defb493bd126b220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:40.583764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091780/publication.md
observed b65ca21531d902a0e6092bb577181995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:40.567501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091780/publication.txt
observed 33a0d1beb5d2954330deaa6e918671f0...
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.