OpenTechnical

OT-2026-000007264

Publication integrity record

Vacuum cup gripper, per zone isolation, six outlet manifold, pump fed, pressure verified, polyurethane cups

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-2026-000007264) never changes.

Identity and time

Publication numberOT-2026-000007264 · never reused
Internal UUID01a0a978-9347-703f-a3d1-a8c2fab7081c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:07:26.667986Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007264
StatusPUBLIC

Content hashes

Canonical text80c324db60b66ee2db534ed5a68bdabeed158c70742fcc276a3d903425dfc042
Markdownf0950c610e5f1cde169c6ba00f98d9e8daa5a716b5c6cb9b98443c649b88421d
PDF
Publication page44f2119659c21d1b457c04ab3d6729c2bad8b70e2c668333c7d9db16b1e517cb
Manifest03ed7de71880770c1ddd9a6700834a519e5a9b29b0923a23e1cf78a0a27463d8

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
SignatureTqhF5wvhMPyOmqGeBG8H3gGGo2RBWZ3xv90re3FkCqhcdl2RVHOjR1OgR66P42T+l/NqDN6NWUftSdS4O/THCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:10.132509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007264
observed 44f2119659c21d1b457c04ab3d6729c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:09.994953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007264/manifest.json
observed 03ed7de71880770c1ddd9a6700834a51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:09.983189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007264/publication.md
observed f0950c610e5f1cde169c6ba00f98d9e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:09.969736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007264/publication.txt
observed 80c324db60b66ee2db534ed5a68bdabe...
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.