OpenTechnical

OT-2026-000023092

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000023092) never changes.

Identity and time

Publication numberOT-2026-000023092 · never reused
Internal UUID01a0ae70-46ed-7ef5-af11-b335b1da7398 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023092
StatusPUBLIC

Content hashes

Canonical text850a6fd659feb7f08e5e5eb60d943b718c554c8c5f511736bd89942461dac030
Markdownf99c2750a26d776176a02738ef9be247be000843043a30c43d86e48c84f3f63d
PDF
Publication page8f68ebd7ccdd91d01972f1e4dd879f343a7bcac98a7b273bb308606044d42a6d
Manifestd44589deb5414c71374ebdda36ec216b846c00566cddc5be5fe748ca8e2b1b35

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
SignatureRYI2PqtQb5X5xEcTWzL/DUJ176zHH5FYH74HjOlLxRRyV08LcWkLThOlndoo6G/MCjpL6b8w8F3hRz9RutacAQ==
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

2026-09-17T11:52:43.554038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023092
observed 8f68ebd7ccdd91d01972f1e4dd879f34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:43.537344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023092/manifest.json
observed d44589deb5414c71374ebdda36ec216b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:43.520128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023092/publication.md
observed f99c2750a26d776176a02738ef9be247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:43.502098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023092/publication.txt
observed 850a6fd659feb7f08e5e5eb60d943b71...
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.