OpenTechnical

OT-2026-000072081

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000072081) never changes.

Identity and time

Publication numberOT-2026-000072081 · never reused
Internal UUID01a0ae92-47c1-7e23-b99f-9025b8c2fcd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072081
StatusPUBLIC

Content hashes

Canonical text187e40851611e7446516e4177176cec6c2d9efc80e7f9bd36a71ae2a18630a72
Markdownc4ed30931e644bc6a27f975ec4aaee4030069e3ff85cd72e700a55165fd87410
PDF
Publication page0270485c2647eed332171f308e7087077eb26ae260f1536537258971cd837083
Manifest663dafc4c039f7aa18d03bb0c6366771da842edbc7e2da53c00ad4bf80897023

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
SignatureDANbF5yQy8TzpuPlZbMqnTFQCoJ6xLmQsuCJyohbwlnEj9yJjOYWv6c5L9SbuY5CIi1G1GYpyQahAp4jZ/h7CA==
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

2026-09-17T10:23:09.533110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072081
observed 0270485c2647eed332171f308e708707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:09.516375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072081/manifest.json
observed 663dafc4c039f7aa18d03bb0c6366771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:09.499346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072081/publication.md
observed c4ed30931e644bc6a27f975ec4aaee40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:09.481108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072081/publication.txt
observed 187e40851611e7446516e4177176cec6...
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.