OpenTechnical

OT-2026-000066901

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000066901) never changes.

Identity and time

Publication numberOT-2026-000066901 · never reused
Internal UUID01a0ae8f-14fd-77a0-ab03-0bace23050eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066901
StatusPUBLIC

Content hashes

Canonical textd354adf066703c67282b963063e4d74aa12dd9da98d510606e6108ee5d9b3e2f
Markdowna8e62c968d48e82e24b030d3dd5a8ec416fddc04abe1b15d58611e3fd1d48325
PDF
Publication paged7610cfde2d3a95c6b4b158b60e4df84b7f5cfa763424698e806a5ee29eb5c54
Manifest7b9fedf98f7dc95aade4a500ac272f452d9f776e8f0955fe94daccc825556c5e

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
SignatureaDmsrpJz1zHAkWjoVPer6ZtO9ZoNi88C99/SnpXIMey8kBgF/OzCSVXHqfpBVS0BZGWaiOcwHwE07WxwkvQKCw==
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

2026-09-17T10:32:06.263033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066901
observed d7610cfde2d3a95c6b4b158b60e4df84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:06.245629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066901/manifest.json
observed 7b9fedf98f7dc95aade4a500ac272f45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:06.228545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066901/publication.md
observed a8e62c968d48e82e24b030d3dd5a8ec4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:06.211417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066901/publication.txt
observed d354adf066703c67282b963063e4d74a...
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.