OpenTechnical

OT-2026-000067823

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000067823) never changes.

Identity and time

Publication numberOT-2026-000067823 · never reused
Internal UUID01a0ae8f-c4fb-7fd4-a0fc-8a78254546df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067823
StatusPUBLIC

Content hashes

Canonical text3669636ad19a499235ed3369f9d1c9b5aa9104f93970418fddd25fcd4fb20729
Markdown040ed3eebd0692af5c30dd9df72cb705f5e76431ed2eda76a05f52bf647e8eb7
PDF
Publication page0a942eed7143faf5b352ed54b439fa205e5a694e229b8e40f687044fa1e6ebd7
Manifest907adef93f8ddee9c0c97104d9f8a9d255afe9a9bf195057b2aeca2bb38995df

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
SignatureIPQPMBdrauVvP8m+ftoQHGy45mZSvVl4tw+1+OqfW9gzcbxiPHloERzSluPsgkt5DVJzMzB+gtVNAvCQVolnDw==
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

2026-09-17T10:30:04.308516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067823
observed 0a942eed7143faf5b352ed54b439fa20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.286478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067823/manifest.json
observed 907adef93f8ddee9c0c97104d9f8a9d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.267954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067823/publication.md
observed 040ed3eebd0692af5c30dd9df72cb705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.248704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067823/publication.txt
observed 3669636ad19a499235ed3369f9d1c9b5...
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.