OpenTechnical

OT-2026-000074282

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump 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-2026-000074282) never changes.

Identity and time

Publication numberOT-2026-000074282 · never reused
Internal UUID01a0ae93-7178-7151-9bf9-9577c3958fff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074282
StatusPUBLIC

Content hashes

Canonical text171f723983e671b5c521c7f9fc4714c3b55f8aba0c298bfb1e7d5fcae90588f6
Markdownf0674363df7955088acae2ebaa3ea1f0312d74935c77737cf765598c597681a6
PDF
Publication page756b3d0ae8b5cdef3f739a2e506b6c743e9534c541e8905e80185ef628f4bfbb
Manifestf98df31b54efa569c08252dd914eb91a0fd9535e3f179a08b4dcf1b1968bd08b

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
SignatureCFxLNyMRQwdwgaN7xw8uo5nBOpJkgFIgizykV/K7FwoemTjqU3Xpo0ykNVkiqqSFngB52BccdnEYwxETb96RCw==
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

2026-09-17T10:19:11.397200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074282
observed 756b3d0ae8b5cdef3f739a2e506b6c74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:11.378116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074282/manifest.json
observed f98df31b54efa569c08252dd914eb91a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:11.359585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074282/publication.md
observed f0674363df7955088acae2ebaa3ea1f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:11.339477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074282/publication.txt
observed 171f723983e671b5c521c7f9fc4714c3...
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.