OpenTechnical

OT-2026-000013742

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000013742) never changes.

Identity and time

Publication numberOT-2026-000013742 · never reused
Internal UUID01a0ae6d-8de9-7df4-aa48-14cd642c820d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013742
StatusPUBLIC

Content hashes

Canonical text2a610e4f5ccdede87c575a778efe7b97dfe69fc56a762bbda58556831ac49a7f
Markdown0a536e5d9480e1e42ac6fadfccee386f8b20bd52ffefa52d1d29227820b06a30
PDF
Publication pagec89a083dd77b5e6c426aa482dde391319b2c3b3ff9835d0238681e83b54e337b
Manifestf41af7c1dbf8b2e5dfc16bf55930df9e9f5d8d219a7bfacb853bcc869d2ec1a7

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
SignaturerxrcagPBseOdRClWtiTP77GKiwDlh3pqHojKoPG43tXWBERiUTGn409NEya6ExG9zCZRo2FSwM1k7ywQp6KfAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:08:42.658312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013742
observed c89a083dd77b5e6c426aa482dde39131...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:42.639211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013742/manifest.json
observed f41af7c1dbf8b2e5dfc16bf55930df9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:42.621688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013742/publication.md
observed 0a536e5d9480e1e42ac6fadfccee386f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:42.602752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013742/publication.txt
observed 2a610e4f5ccdede87c575a778efe7b97...
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.