OpenTechnical

OT-2026-000069098

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000069098) never changes.

Identity and time

Publication numberOT-2026-000069098 · never reused
Internal UUID01a0ae90-6dce-72c4-8d0a-2cf2b7aefe31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069098
StatusPUBLIC

Content hashes

Canonical text78e11c737073c7f23fec907a827bc4eea2a63047432f38bc7bb33847d741f64f
Markdown6d70313bd162a4afba201dd36cd25d6a2ab2e00d9c78957908034c8968295f75
PDF
Publication page6c534fc537f9f6715772737af704ea2e073038d1f1ed40e7dff73e5597be7916
Manifest8738cb6cea45bbe9bfd36a35c121e6f0797d72839c1adb609f497b7796a7cc98

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
Signatured4FteBCnAHgZsA8Bk1Qxny4RltfMh/romQ4adP45GrfrJ0+ZD85BHtJwA0iwAeuD2KdqRslCFPgR9svXZyApCQ==
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

2026-09-17T10:28:58.282193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069098
observed 6c534fc537f9f6715772737af704ea2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.265591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069098/manifest.json
observed 8738cb6cea45bbe9bfd36a35c121e6f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.246293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069098/publication.md
observed 6d70313bd162a4afba201dd36cd25d6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.227525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069098/publication.txt
observed 78e11c737073c7f23fec907a827bc4ee...
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.