OpenTechnical

OT-2026-000069288

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000069288) never changes.

Identity and time

Publication numberOT-2026-000069288 · never reused
Internal UUID01a0ae90-b528-7b65-bc03-37cfa78ee5f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069288
StatusPUBLIC

Content hashes

Canonical textf9aca5cad6556ede965cb0a33a9a749b95f8d309351a805dd0c89a20606b0ad3
Markdown781dacc8ba1237096efaa7bae084ae20ba8f942aeae0b496ecb4c95926e69abb
PDF
Publication pagec01ac415f3653a7240dc7a498bd0c3356d662c1df43096b912dfaddec95e5927
Manifestaec86c05f591f0c8ad7672b2c6847c833bf5bf79f713289d77888b9be1031a8b

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
SignatureNmd/ZYeGOPH9IK4Mo81bFV1MDdyXTWW0rWTysFVrbY5fO3wGfO14f+7KCbWpQa6nXzHJxfTJORL8syl5n1cwBA==
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

2026-09-17T10:27:22.442121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069288
observed c01ac415f3653a7240dc7a498bd0c335...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:22.424001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069288/manifest.json
observed aec86c05f591f0c8ad7672b2c6847c83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:22.405878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069288/publication.md
observed 781dacc8ba1237096efaa7bae084ae20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:22.387016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069288/publication.txt
observed f9aca5cad6556ede965cb0a33a9a749b...
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.