OpenTechnical

OT-2026-000032676

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000032676) never changes.

Identity and time

Publication numberOT-2026-000032676 · never reused
Internal UUID01a0ae75-1070-7f84-a9af-fef4943bf1bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032676
StatusPUBLIC

Content hashes

Canonical text26112aa7d7c0b87600afb9323961c6e07914f22093a6c10cd1e4c00ccbae53c3
Markdown7d164b637c5a9010b9d5355f894665a4ef06dd6f32e7e7f9cb4c677c3714b4bc
PDF
Publication pagebf887743f83f0d867d70ad1552caf38f4381624b536f3001c6ab2bb9471a5277
Manifestcd6749e12d5a89ac2071101478473b902c7a4711d81bdf9012eebec9e778ac57

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
Signaturew/StFJJW8P7L4oNxIWXRaLw2xIwu0OEBRRYHzePVKXX1WvpN4u6w8qL7x7ZOdQABb4kY7hxf4/iTrXNLOD48Bw==
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

2026-09-17T11:34:16.702216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032676
observed bf887743f83f0d867d70ad1552caf38f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:16.682274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032676/manifest.json
observed cd6749e12d5a89ac2071101478473b90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:16.659781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032676/publication.md
observed 7d164b637c5a9010b9d5355f894665a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:16.640656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032676/publication.txt
observed 26112aa7d7c0b87600afb9323961c6e0...
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.