OpenTechnical

OT-2026-000040136

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000040136) never changes.

Identity and time

Publication numberOT-2026-000040136 · never reused
Internal UUID01a0ae79-26fe-7ebd-8df4-eac581db9801 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040136
StatusPUBLIC

Content hashes

Canonical text0b5b9667cbafef37c2b46d7fdea6de142952193021fca2766ab71f8be90021d4
Markdown01620a650e078021a780d956e31ba2ab8ac4ddce1f608129086d258fe11dd60c
PDF
Publication page14a83fe22d3f24a5a04531d2b6a40fb38462f8a552fa3b2bdcc94934e9c1df4a
Manifest2f9c38153d4fc5992c474b7f9a11cf42e695786be498db026a74a0df2e4ba6d4

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
SignatureGUXUaAExS+2JaMRQSee0o8W7Y+fnn8G/zKUcLJjk8SfUe4qq7dQfZR0nWiR04PeJFZa40VGJDQDSV+844jGqBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:00.457968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040136
observed 14a83fe22d3f24a5a04531d2b6a40fb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:00.443086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040136/manifest.json
observed 2f9c38153d4fc5992c474b7f9a11cf42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:00.426094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040136/publication.md
observed 01620a650e078021a780d956e31ba2ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:00.410067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040136/publication.txt
observed 0b5b9667cbafef37c2b46d7fdea6de14...
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.