OpenTechnical

OT-2026-000023068

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000023068) never changes.

Identity and time

Publication numberOT-2026-000023068 · never reused
Internal UUID01a0ae70-46ed-779b-b4bd-8392c7d3792d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023068
StatusPUBLIC

Content hashes

Canonical text75e3711699511f61ef9d654683245146d36580f153ec33d6f61c2d61c38c93c9
Markdown38b1aaf5d56fcc79b30e367df4eb071be8393ca57dd4c12233366954bba04596
PDF
Publication paged4d472c552d8e67ad340322dda1f89e26c7174c2ac1da9db247685697a68ba70
Manifest1512a7f6e604717cbe461166818b9e05ec3739d3d986f8d5b2988bb27d1a9e34

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
SignatureY8PYZB9NTOdgaITEisKKwVCf68wZJY7JOvbCTtx+wIj+fhcsnBuD1LAi4eRuEhuqvJAsTmM9bTug/McpmbZ8Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:41.538215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023068
observed d4d472c552d8e67ad340322dda1f89e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:41.510889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023068/manifest.json
observed 1512a7f6e604717cbe461166818b9e05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:41.483551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023068/publication.md
observed 38b1aaf5d56fcc79b30e367df4eb071b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:41.461275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023068/publication.txt
observed 75e3711699511f61ef9d654683245146...
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.