OpenTechnical

OT-2026-000019794

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, supply line 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-2026-000019794) never changes.

Identity and time

Publication numberOT-2026-000019794 · never reused
Internal UUID01a0ae6f-1fb5-72f8-9697-0cbfb38aab79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019794
StatusPUBLIC

Content hashes

Canonical text0d6037f9a0a04e2c1ffdf8161efb28366fe60576c9b7efec98ab5f57acf17045
Markdown3ee48e387c2e913abb64e661877fc8a7c0be334456889a55816904372e20722e
PDF
Publication pagec6b97be5b1ca71d49314ac6404260c4c0a6d16a67d998b7d7355debabc48a35c
Manifestfc024583e081dc6404577b4d414c9dcf9d6e4cabc7fd6601bb919751177e7fba

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
Signaturek9IYwtJf/6YI7EfAzfJvsgcucGC3uGuTZSFuCzkVoTCN7y2TBLm3Z2SM6yqZARzYy05lxnrCUKHsKi+wQ3owCA==
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

2026-09-17T11:57:58.676565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019794
observed c6b97be5b1ca71d49314ac6404260c4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:58.658945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019794/manifest.json
observed fc024583e081dc6404577b4d414c9dcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:58.639197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019794/publication.md
observed 3ee48e387c2e913abb64e661877fc8a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:58.618654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019794/publication.txt
observed 0d6037f9a0a04e2c1ffdf8161efb2836...
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.