OpenTechnical

OT-2026-000048426

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000048426) never changes.

Identity and time

Publication numberOT-2026-000048426 · never reused
Internal UUID01a0ae80-4de5-7ee4-b5aa-97fc162202b0 · 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-2026-000048426
StatusPUBLIC

Content hashes

Canonical text37462ebfe9f593d4c76196ceb7ff4467f4b32bbaa466dd1728fe3cb30bc26d9f
Markdownd24f3852ee5337fbce88c76cf4c60faff946060689f53d9e832171820e7b74c4
PDF
Publication pagec23e51d2aa36ed1e2c6a70f8918c007fca8bcb879c904fe7c5cd6a4056b1da65
Manifestdd94b705873398f52d8b463a2e628a8f2c7b2c34fabb174b92d7631ec2ab3447

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
Signature1ut/EcgPYG3nkh7vTGW631wtxD32OOMKo6ZZaQxVqcCai4+eSi1p1ZPJi4UIGrPDHphx4sVpUHG2jUhNgEnoAQ==
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

2026-09-17T11:05:04.399526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048426
observed c23e51d2aa36ed1e2c6a70f8918c007f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:04.380426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048426/manifest.json
observed dd94b705873398f52d8b463a2e628a8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:04.360047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048426/publication.md
observed d24f3852ee5337fbce88c76cf4c60faf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:04.341545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048426/publication.txt
observed 37462ebfe9f593d4c76196ceb7ff4467...
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.