OpenTechnical

OT-2026-000005628

Publication integrity record

Vacuum cup gripper, two zone face, six outlet manifold, ejector fed, vented before set down

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-2026-000005628) never changes.

Identity and time

Publication numberOT-2026-000005628 · never reused
Internal UUID01a0a93f-84bf-7c38-8779-31adeeb2aa82 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:05:07.393732Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005628
StatusPUBLIC

Content hashes

Canonical text43879863bd8fbf8fc699c4478a1415b1729d545866621f3c8fafd35c396e7b34
Markdowndf6a9924c6ad943f15981ad6ed3982d106c85b61e10c26070096be3d347c8542
PDF
Publication page7295e6a895bf0e474c59d81cf69e164ac5ce388aabf2caad5377a62ae157243f
Manifesta779f42e34e62482531ee085a4be79538e4bff256134a143efff28447a30dc7b

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
SignatureMArZybyNH+oPxEXYJt/3NkKEdpMT02dJ3PuXgXAkUEDMEbeit+wXSNPw+YgF0rdpfr7SwtF2nf6mHzM0h2TCCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:18.971133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005628
observed 7295e6a895bf0e474c59d81cf69e164a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:18.957381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005628/manifest.json
observed a779f42e34e62482531ee085a4be7953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:18.943322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005628/publication.md
observed df6a9924c6ad943f15981ad6ed3982d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:18.928687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005628/publication.txt
observed 43879863bd8fbf8fc699c4478a1415b1...
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.