OpenTechnical

OT-2026-000066041

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, vented after set-down

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-2026-000066041) never changes.

Identity and time

Publication numberOT-2026-000066041 · never reused
Internal UUID01a0ae8e-8dc2-7120-9188-d07f04861618 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066041
StatusPUBLIC

Content hashes

Canonical textdd788ba8881dcf6084da651f59c8a09d57b32d40510757c5aec43db5e4209311
Markdown8f8d01906c14b34d0b43ce1a2516d6edb8b9d1acce365bb93d5bc68575c3c41f
PDF
Publication paged7e27948afd99b3f915eaa6a40903ee55b80a2064d411834b0eb10b73d080293
Manifest021d7ee855edf02df4a150ce4be7d0052f0b0497ed449c33d01b179f3d629074

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
SignatureHpRWMGOR37iKVoSkHOP+kDrYS8k4XWpBeJKJc2rdfEr2YzonKUuMBBpgY5J2kUlPQUvhVx5NBPhcWuPs+OdFCg==
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

2026-09-17T08:50:38.329193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066041
observed d7e27948afd99b3f915eaa6a40903ee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:38.308063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066041/manifest.json
observed 021d7ee855edf02df4a150ce4be7d005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:38.289121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066041/publication.md
observed 8f8d01906c14b34d0b43ce1a2516d6ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:38.268402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066041/publication.txt
observed dd788ba8881dcf6084da651f59c8a09d...
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.