OpenTechnical

OT-2026-000071977

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000071977) never changes.

Identity and time

Publication numberOT-2026-000071977 · never reused
Internal UUID01a0ae92-47c0-7e04-be5d-b2751f3e5927 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071977
StatusPUBLIC

Content hashes

Canonical textd1380c60da25556e6f2daa0b02dffaadc85472e86e25af8f0b8fd0021b686cad
Markdown43e67ed8b6bca6a53574ffea848dd6d8dbb802c0f59c49e4ad34950947b79d21
PDF
Publication pagea1a145527d2b1c19312fbb8e732bfd5d3e308334fdadfd94f998ef26b9f18c92
Manifest77adcb626f33b30cd0b283da72696057d3fd635e5e98c7126b5c64997877e851

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
Signature5/ZY7S9tBB5YBAziUwIXw8M33djr8GzMmJ1NYSXZu1LAhACI5gBBX/jXv0ky5hWtW2/Adt8pCFgh/X0D7VgGDQ==
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

2026-09-17T10:23:01.651705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071977
observed a1a145527d2b1c19312fbb8e732bfd5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.634223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071977/manifest.json
observed 77adcb626f33b30cd0b283da72696057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.617107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071977/publication.md
observed 43e67ed8b6bca6a53574ffea848dd6d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.598542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071977/publication.txt
observed d1380c60da25556e6f2daa0b02dffaad...
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.