OpenTechnical

OT-2026-000048288

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000048288) never changes.

Identity and time

Publication numberOT-2026-000048288 · never reused
Internal UUID01a0ae80-4de3-7d0a-8e89-07ad785d925f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048288
StatusPUBLIC

Content hashes

Canonical text0283bb62fd5d47d1c5eb8d19f19c3d9e01e3a8312f531604a36886156c1fdfa0
Markdownc39b9b38342a361ebf519b496b73bbd6f280124bef6f21577cb8971bcfe8b684
PDF
Publication pagef7906f0391bbd2bec37374129faee9c29a732ffd7609564000cceb0c1d47a8b7
Manifest5cc60109a7fa8ea85d3af142cfc72dfe940d9578c1044dd157dc58a78983fe6e

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
Signaturese75UXI6120U95pc4KPvvd58SvMn9VWaNOLliUHKyWBnPz/A1KjslZ+coQZQy596f1umkR4StYcDi9k2Hp3eAA==
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

2026-09-17T11:04:52.377997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048288
observed f7906f0391bbd2bec37374129faee9c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:52.358907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048288/manifest.json
observed 5cc60109a7fa8ea85d3af142cfc72dfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:52.337759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048288/publication.md
observed c39b9b38342a361ebf519b496b73bbd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:52.317800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048288/publication.txt
observed 0283bb62fd5d47d1c5eb8d19f19c3d9e...
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.