OpenTechnical

OT-2026-000072836

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000072836) never changes.

Identity and time

Publication numberOT-2026-000072836 · never reused
Internal UUID01a0ae92-89da-791f-a068-e01aaf4d224b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072836
StatusPUBLIC

Content hashes

Canonical texte5f91ebbbdc4de0b7b501eed54d33ca83c19a552e82df36371edfb89cf68f34c
Markdown3bf0e0693b3df167498a95ea98ba16b65afb60d8b396811c645507898e7a26d3
PDF
Publication page312652c09010dfeb91e23e992afa83ce31e1d458b3603d265922ee13ede6bfc6
Manifest1ff1c369c32f8721e289a79bf9330469aa5b8307f1c5ee17d220527a401f3cc6

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
Signature1wefl9OydaHIh8wTX8RbCy6qI5EhwBmWh5UtC6IC9CgloiUczr60GcDzduPWDZWxXZH2+NhAeYoFAykntYx/CQ==
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

2026-09-17T10:22:45.437684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072836
observed 312652c09010dfeb91e23e992afa83ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:45.420687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072836/manifest.json
observed 1ff1c369c32f8721e289a79bf9330469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:45.402864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072836/publication.md
observed 3bf0e0693b3df167498a95ea98ba16b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:45.384261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072836/publication.txt
observed e5f91ebbbdc4de0b7b501eed54d33ca8...
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.