OpenTechnical

OT-2026-000072073

Publication integrity record

Foam pad 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-2026-000072073) never changes.

Identity and time

Publication numberOT-2026-000072073 · never reused
Internal UUID01a0ae92-47c1-7e93-accd-ab5824cc7f25 · 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-2026-000072073
StatusPUBLIC

Content hashes

Canonical textb3d89ee4aee6f77d648bcb13cbbcd35ab392287c5ddbe1a0f547f6470a5465fb
Markdowna94147bc9c9f770f8ef50364b53c8475f83cc03aca18fa52d91a9bcd7d900442
PDF
Publication pagea27ccf3c701b2d7918b07919f68055fa0bb153508a0e2700a1c0d81c7fd24986
Manifest68eda62eb45f87e223787f66e16f3e1389d39012df139c81630f0334105a269e

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
SignaturefiUKOfAtwa2NQcDvMQ/QDbIKRq6ifiL5VIDVn9MzBgoR/kQS/7YSV4DljdJ3z0QMXFbyTz9lcGIqilix+KE9AQ==
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

2026-09-17T10:23:08.847053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072073
observed a27ccf3c701b2d7918b07919f68055fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:08.828831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072073/manifest.json
observed 68eda62eb45f87e223787f66e16f3e13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:08.811916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072073/publication.md
observed a94147bc9c9f770f8ef50364b53c8475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:08.793516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072073/publication.txt
observed b3d89ee4aee6f77d648bcb13cbbcd35a...
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.