OpenTechnical

OT-2026-000069264

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000069264) never changes.

Identity and time

Publication numberOT-2026-000069264 · never reused
Internal UUID01a0ae90-b528-7b02-8f00-d88520264372 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069264
StatusPUBLIC

Content hashes

Canonical text32b6e4d14ebb9bfed5c18428a1384793e8bdbb539183a9c7c18a00165a313562
Markdownc289530b14f3f4f26b5d85f3ed98d0d2c496d1b5032303c39853b1b7412be991
PDF
Publication page4e4342fda1eab7c32a7aa1dd098d395321413345ff2d1b31af76a44eb8b73159
Manifest9c04eced656196742315273d1002de6a9b521dbb00f62215c9648a9fff101793

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
SignatureDXY9VMVp+LYB1m9Lm2IAA+AvyiWH0WKnw6DiuPaJmg2z7KjZY6zbM3I5qn1SOtzYZe+H0Kao9h6WAsv/v32QDA==
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

2026-09-17T10:27:20.744591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069264
observed 4e4342fda1eab7c32a7aa1dd098d3953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:20.727688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069264/manifest.json
observed 9c04eced656196742315273d1002de6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:20.710316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069264/publication.md
observed c289530b14f3f4f26b5d85f3ed98d0d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:20.691233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069264/publication.txt
observed 32b6e4d14ebb9bfed5c18428a1384793...
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.