OpenTechnical

OT-2026-000007654

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000007654) never changes.

Identity and time

Publication numberOT-2026-000007654 · never reused
Internal UUID01a0ae62-76bd-7b64-b7ab-a5b84264c156 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007654
StatusPUBLIC

Content hashes

Canonical textfb9dcc8289e10a07fbf1d1e22ad629dfa51ca18fa77ed325ba8066cf4ec0441b
Markdown8c9fb8b1a683e8d0dc2a58442f1652c867bd7cedf946cec33bb955e7b0115c8f
PDF
Publication page5c687cfb56b85eb0c296951966f3fa26ff3365d636556b04232844040960bc66
Manifest93b17de993ffe29f246d2601f7339c16212b77a76328e7523c2e381e29543406

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
SignatureLRwYtY8pWxMrfuFAC0LngZfBhSBmtP8zCIP8WEr8NUxu9VCfcsxOJkvQM+Ta5EHleaKjI69vkRQIdePK+XP1Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:16.498594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007654
observed 5c687cfb56b85eb0c296951966f3fa26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:16.480011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007654/manifest.json
observed 93b17de993ffe29f246d2601f7339c16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:16.461365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007654/publication.md
observed 8c9fb8b1a683e8d0dc2a58442f1652c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:16.442866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007654/publication.txt
observed fb9dcc8289e10a07fbf1d1e22ad629df...
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.