OpenTechnical

OT-2026-000026020

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000026020) never changes.

Identity and time

Publication numberOT-2026-000026020 · never reused
Internal UUID01a0ae71-a83f-7bae-b86d-78a72334ceb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026020
StatusPUBLIC

Content hashes

Canonical textb5685485aa342079fa95803130dfa806dbe1eafc419453d726128e1166f32903
Markdowne6c96a72ebf81c99fced308a44d4b422e0ff34aa19d9f1be98da236b128237bb
PDF
Publication page264f02fec59a01afdef1e4b74d9b496bef00a37d17a2dc67ecf3daabef7afbbb
Manifestef0ccdb874cad02bf95067d651b2080d7e63e291bc0d8685028884cf149f36d2

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
SignatureOz0jbEA1CG6tqsI5PyXI4hqIvO5UfTdLHzJzDfGqPFYF2uo0N657KmVe9gGANC+TjQKKpB4uZlvXcbUZ2uq7Dg==
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

2026-09-17T11:46:23.513456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026020
observed 264f02fec59a01afdef1e4b74d9b496b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:23.496349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026020/manifest.json
observed ef0ccdb874cad02bf95067d651b2080d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:23.476377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026020/publication.md
observed e6c96a72ebf81c99fced308a44d4b422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:23.443418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026020/publication.txt
observed b5685485aa342079fa95803130dfa806...
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.