OpenTechnical

OT-2026-000073945

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000073945) never changes.

Identity and time

Publication numberOT-2026-000073945 · never reused
Internal UUID01a0ae93-2b8e-72ed-be63-b6a1a2a48fe9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073945
StatusPUBLIC

Content hashes

Canonical text37eca60256dea29de563ef651c588560b0a71723f70fb60acd8e8140741896f0
Markdown332440b72c1ee72ed0cfcb9dc9127ebc3c5c3b90f3c65e7877fcbfe3d59e6d02
PDF
Publication pageeaf134dd0189a7653dd2374582b698fc197b59ddd46e7a77155e457bc7523ac6
Manifestf242dedd0f96a19e42901e8fc0bd59fc4e67633d042943bbc209d15f1a8db853

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
Signatureghpx8En2hWw/1I/mjpWLB5PboIPrTIHr6rhNUCdFzs5sSSPk45D4xUCx6oJh7FTQR/5CgCUDOdG5Vkrqp7l8Dg==
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

2026-09-17T10:20:14.008323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073945
observed eaf134dd0189a7653dd2374582b698fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.988248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073945/manifest.json
observed f242dedd0f96a19e42901e8fc0bd59fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.963826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073945/publication.md
observed 332440b72c1ee72ed0cfcb9dc9127ebc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.942063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073945/publication.txt
observed 37eca60256dea29de563ef651c588560...
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.