OpenTechnical

OT-2026-000079182

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, vented 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-2026-000079182) never changes.

Identity and time

Publication numberOT-2026-000079182 · never reused
Internal UUID01a0ae96-0b8f-7ea7-b57f-53426bf88471 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079182
StatusPUBLIC

Content hashes

Canonical textcab6d8e57e8b4981f62912b6d9c0f5a2b168726efe13473ea00bb512b2d119eb
Markdowne97e12d69bb493569605addf23892927b827460b936c8d4bc5a9f4560c0d831d
PDF
Publication pageee0d091d73d64160b0f429de44bb04ee18537d104a136b1696640540f3f40ef2
Manifest66393368dfd4ec990fcacc23570b32f1cc353e183c99d7ad531805e72e2e53c1

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
SignatureHLun0mrqCQoeJRYumwKHIQ778aO/izmqGujnI8js8Bxk/KonNrZ61oKOGwF3w5vaSpLoc2CzD0UxYrNJ1IbdBQ==
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

2026-09-17T10:04:46.462481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079182
observed ee0d091d73d64160b0f429de44bb04ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:46.443324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079182/manifest.json
observed 66393368dfd4ec990fcacc23570b32f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:46.424291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079182/publication.md
observed e97e12d69bb493569605addf23892927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:46.406662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079182/publication.txt
observed cab6d8e57e8b4981f62912b6d9c0f5a2...
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.