OpenTechnical

OT-2026-000048471

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000048471) never changes.

Identity and time

Publication numberOT-2026-000048471 · never reused
Internal UUID01a0ae80-4de5-7279-a5e5-e0d4b343716f · 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-2026-000048471
StatusPUBLIC

Content hashes

Canonical textb1e949a652d0ff637aabc250dedbebb761773b7ca50232f32770bf052feacfd8
Markdown1d5d03a71f274569dea54f9d524cd5f702d9cddfe1ccabdcf8d5b06ca41a32cf
PDF
Publication page03c562b35a7c81125f761845be2ab02e97f4a0f883f275d3b8ee4912d0e7e697
Manifestab6b728ad07ce2db73c336f918d0186d43bc29874f3869815a29e50c0e074bd9

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
Signature3J7Ff1EyWzdPFjzC5ued9YmR7Gda113Aba/FoFgmVwcgYLEv9Z7Iu3oIfBNflmnjOSeCUrEujsLrIh50rM/3AA==
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

2026-09-17T11:05:08.072089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048471
observed 03c562b35a7c81125f761845be2ab02e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:08.051636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048471/manifest.json
observed ab6b728ad07ce2db73c336f918d0186d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:08.032834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048471/publication.md
observed 1d5d03a71f274569dea54f9d524cd5f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:08.012965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048471/publication.txt
observed b1e949a652d0ff637aabc250dedbebb7...
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.