OpenTechnical

OT-2026-000078441

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000078441) never changes.

Identity and time

Publication numberOT-2026-000078441 · never reused
Internal UUID01a0ae95-7c28-7bbd-ad9c-25c74603a263 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078441
StatusPUBLIC

Content hashes

Canonical text49d11f5ddb75588d94ebfe3acd90967576e3114f582cbb59db099a926d7942d9
Markdown4818e34010548951b034ff44d4d746a51f4484ed95c27696c628d3b71aa3400a
PDF
Publication page9941a92200f28aea2b7ad6fad7d498cc13cb98f040c3f58c21f2cb909d6710fd
Manifeste5b70e19d9dcf1d4c70f8e6bdc553986c4b2bf3b5ebfe6c4c117fad8b6d46435

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
SignatureH3kgGRcHq28G6U1Xbf2lTR+nImeyrl4ipP2LX0ID9XckoaC6oYbzGA/maVN960kB+iabCSUCvbiHPWoLj8hCDA==
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

2026-09-17T10:06:26.447901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078441
observed 9941a92200f28aea2b7ad6fad7d498cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:26.429442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078441/manifest.json
observed e5b70e19d9dcf1d4c70f8e6bdc553986...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:26.411939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078441/publication.md
observed 4818e34010548951b034ff44d4d746a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:26.393522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078441/publication.txt
observed 49d11f5ddb75588d94ebfe3acd909675...
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.