OpenTechnical

OT-2026-000048663

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000048663) never changes.

Identity and time

Publication numberOT-2026-000048663 · never reused
Internal UUID01a0ae80-c32b-7b5c-b0c1-f76539f29030 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048663
StatusPUBLIC

Content hashes

Canonical textb8c3e02c4fb8a38e3ca7a75c93f3d0fd55db6290efd3d76bf0e082a6d2b46090
Markdown3db64eb04d9b9d029533eb6795fc24fa40dbcfdc0b5f2bdc247438b126722fe1
PDF
Publication pagef33b8d8c1be0f02fceec8c915a0c51aed8423f791e9af25610fb8f06c2fc7398
Manifestaadbad9e105cf11fce703701ce02f8da27c1d170c7119e75ec26daf3d4a259f3

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
SignatureYnCjWvsr0UrwZSn+X7+La1PdCQmoecD6tgNU8VpO/JngFI3PKBjLo6jebuqKChDU0/7ApA8qxl4XJVf6VG5VBQ==
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

2026-09-17T11:04:16.917664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048663
observed f33b8d8c1be0f02fceec8c915a0c51ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:16.896197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048663/manifest.json
observed aadbad9e105cf11fce703701ce02f8da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:16.875351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048663/publication.md
observed 3db64eb04d9b9d029533eb6795fc24fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:16.855127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048663/publication.txt
observed b8c3e02c4fb8a38e3ca7a75c93f3d0fd...
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.