OpenTechnical

OT-2026-000069128

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000069128) never changes.

Identity and time

Publication numberOT-2026-000069128 · never reused
Internal UUID01a0ae90-6dcf-7423-b216-55f140806873 · 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-2026-000069128
StatusPUBLIC

Content hashes

Canonical texted21e1d8a26940622cdf0303f10c035cf4734fb9b0868b7e5e6fbb857f65ffb8
Markdown285f7503aa34fa620cfc3098130d7cc9f35201030487afa68bfb412309275849
PDF
Publication paged10afbf1dc471d922087e1b4cea2afa46815f9896e67e156da4e46b5fa7eae87
Manifest46830fa3a8f838d3e633e922156ba23fd3acf2e3b1a1dcd7b52ed70f102af4a5

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
SignatureiSe3Pqs31jZSxW4QOtL14axXVEoqalXntlW3wLVegXhsp07JiGheCoPCXLP6vpusa65L9VMrwoKILS1OwxqpCg==
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

2026-09-17T10:29:00.495653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069128
observed d10afbf1dc471d922087e1b4cea2afa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:00.476604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069128/manifest.json
observed 46830fa3a8f838d3e633e922156ba23f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:00.457791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069128/publication.md
observed 285f7503aa34fa620cfc3098130d7cc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:00.437221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069128/publication.txt
observed ed21e1d8a26940622cdf0303f10c035c...
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.