OpenTechnical

OT-2026-000022026

Publication integrity record

Four pad foam vacuum gripper, 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-2026-000022026) never changes.

Identity and time

Publication numberOT-2026-000022026 · never reused
Internal UUID01a0ae6f-bb5c-7e3f-a104-6f6240198bf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022026
StatusPUBLIC

Content hashes

Canonical text8528e3e7ff1b4ec22b882cf89e603a3a4dc834694586242a7ef410bd04ab3624
Markdown2a0ff8eb495a05d8fbeeb4f8d8f7419019c3f1cefe0ef17b188be59ce7dd71e7
PDF
Publication page8647b772956af4945f33747a302991bbb74f43a663f98ce8e612d692f60e383f
Manifestf5ec3e607324639ee354af1ef3de3a2343e300714acc92f3f913fb73bff53ae1

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
SignatureBFFhx7jlnxqRjwwR9LWvvI+BSTBjDbQTgvFu8GbR02smJVaZmDEESyPGkbxI5huEHKUxhKngk7y3dnsTegrmBw==
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

2026-09-17T11:54:42.715189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022026
observed 8647b772956af4945f33747a302991bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:42.697755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022026/manifest.json
observed f5ec3e607324639ee354af1ef3de3a23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:42.679992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022026/publication.md
observed 2a0ff8eb495a05d8fbeeb4f8d8f74190...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:42.663003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022026/publication.txt
observed 8528e3e7ff1b4ec22b882cf89e603a3a...
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.