OpenTechnical

OT-2026-000061334

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, vented after 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-2026-000061334) never changes.

Identity and time

Publication numberOT-2026-000061334 · never reused
Internal UUID01a0ae8b-1384-77ff-b004-90654706e1a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061334
StatusPUBLIC

Content hashes

Canonical textcc15dae2f72d40f15f79d2609bb3a92583a00f7b405712b25412226c806fc48b
Markdownfddf9503163e9fde9aa1c4488d6a665f4a70028f0651c7568161adae9fdffcec
PDF
Publication pageb02960bfb0cdd4eacd3fb3f6150fd73642bf5696096a653b8a3bc216e7b9dcf3
Manifest64f00f8ed641b324a5a8e04dde383cf3c3cd25cd1a3ff2a9fc53494f1065518e

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
SignatureTho+no+YdVfABcP7IGAwef3m00SUqBH6eR79ba9OlWG7mgKgua6PHKMbZmqLW2FGG7K5IrWrwzMqwW50pGbTBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:46.390416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061334
observed b02960bfb0cdd4eacd3fb3f6150fd736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:46.372606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061334/manifest.json
observed 64f00f8ed641b324a5a8e04dde383cf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:46.356578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061334/publication.md
observed fddf9503163e9fde9aa1c4488d6a665f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:46.338175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061334/publication.txt
observed cc15dae2f72d40f15f79d2609bb3a925...
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.