OpenTechnical

OT-2026-000086972

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, sustained 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-2026-000086972) never changes.

Identity and time

Publication numberOT-2026-000086972 · never reused
Internal UUID01a0ae9a-80a5-70be-8e53-ecb46cf0fcca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086972
StatusPUBLIC

Content hashes

Canonical text84481f2bb7fdb539c57346dc9e3c28de622db2eeaedc0a7d807c4cd46d43f2ba
Markdown32da9fb7d7b8c2e2fc87e4f0932de42216df7272f5ddeecf3dbf52870a94ddd2
PDF
Publication pagefd2a3d5c59247451f9c0e52d769f8a2ce69ece007f932fb5c0c38d65338f43b9
Manifest5544d30ad2cee05709ea5e8f2a1096bee95ec9ca34fcf8d55e8bc68b92b6973f

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
SignaturexQOjZ5PtRhZhno2dpHTfkE+GGBRBEulZUU7HKw8Qt99tuvi29d85Bo/KaXZAHeoxsZQOdsJ3bW94/Wwd13EDAA==
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

2026-09-17T09:51:52.419570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086972
observed fd2a3d5c59247451f9c0e52d769f8a2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:52.403343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086972/manifest.json
observed 5544d30ad2cee05709ea5e8f2a1096be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:52.386770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086972/publication.md
observed 32da9fb7d7b8c2e2fc87e4f0932de422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:52.368995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086972/publication.txt
observed 84481f2bb7fdb539c57346dc9e3c28de...
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.