OpenTechnical

OT-2026-000071962

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000071962) never changes.

Identity and time

Publication numberOT-2026-000071962 · never reused
Internal UUID01a0ae92-47c0-75b4-b190-27b9dfa79450 · 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-2026-000071962
StatusPUBLIC

Content hashes

Canonical text0f5f07cd33e4786356a834b4e705b67441e5bb082864d1d28f85ce25a5dd0614
Markdown4d898547350487d3b608108ec38d187499a07adbf2f13e3b49049220335e259e
PDF
Publication page26ffd74fd534b74eee8bf08012816e5f4f2c19ce69a2f37c3fac6d5d2056eded
Manifest6b95dbe41bfdf34534e1c142e29d6b9af05432b242b56b696207ba6450461a57

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
SignaturefnjG0huQbxq797nD6IY5WjWPtI2hz3edID3q9jQBv32uenRkRJ+lXuzpEaayKVPRkZb1YuprNHflpQD0ZSCoDA==
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

2026-09-17T10:23:00.079408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071962
observed 26ffd74fd534b74eee8bf08012816e5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:00.061987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071962/manifest.json
observed 6b95dbe41bfdf34534e1c142e29d6b9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:00.043110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071962/publication.md
observed 4d898547350487d3b608108ec38d1874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:00.025378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071962/publication.txt
observed 0f5f07cd33e4786356a834b4e705b674...
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.