OpenTechnical

OT-2026-000078637

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000078637) never changes.

Identity and time

Publication numberOT-2026-000078637 · never reused
Internal UUID01a0ae95-7c2a-7a58-918f-bcd18d9ad65e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078637
StatusPUBLIC

Content hashes

Canonical text29cc767752cb13a41bdaca0b416ccd30f85c7c89b504e57eb06ae99679a5f86f
Markdownd2e1b46ec4c6264f8f28be8b2382a33f929c7d0a361d581c3bdbdd8e8bc271f1
PDF
Publication page292adfd1698bebcdb80dbca5bd6117d032f53bd08b6b3e95142c5c434ccefb13
Manifest53bb05e21ae3f6b78c9ae4aed2374554306b37a10d730d0787f65a9470a4b85b

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
SignatureGYDpPMmCCvkFYorCL8nLEs22oGswm1ONBcrDEeH2neftNIfAGGu93m/TGGyPRC3Ge0AhFIJpHbwu9YzQgZBvBQ==
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

2026-09-17T10:06:40.759803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078637
observed 292adfd1698bebcdb80dbca5bd6117d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.741386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078637/manifest.json
observed 53bb05e21ae3f6b78c9ae4aed2374554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.722464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078637/publication.md
observed d2e1b46ec4c6264f8f28be8b2382a33f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.701511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078637/publication.txt
observed 29cc767752cb13a41bdaca0b416ccd30...
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.