OpenTechnical

OT-2026-000013589

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000013589) never changes.

Identity and time

Publication numberOT-2026-000013589 · never reused
Internal UUID01a0ae6d-6fcb-7165-b473-19cebf33f9b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013589
StatusPUBLIC

Content hashes

Canonical text9fd639eb943b10fc5e586fbe7abbc86526a9cfa25d9010de3e882f9d685ddb18
Markdownb567b1b786c76fb35775646bba83c89724b65efba2b21e4361490b301f7ec093
PDF
Publication pagef8cdbe70920d1a47f93faf72f5b45ce16fe108b3f246d5ecc0f357e53bd90c8c
Manifest791f1d62f4afc1e442d2eb9447ab76e971d4b7d0d9819a9f1186e84fcc749b07

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
SignatureMiV6HuR/vMophjSJiTatMKDg1HnZjHItgCOQSL2jvspxQN87YXTBqbOQfpy0yiRObKlKKAjC26BwYmf68sIjBg==
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

2026-09-17T12:10:08.445278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013589
observed f8cdbe70920d1a47f93faf72f5b45ce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.428270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013589/manifest.json
observed 791f1d62f4afc1e442d2eb9447ab76e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.409605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013589/publication.md
observed b567b1b786c76fb35775646bba83c897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.390441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013589/publication.txt
observed 9fd639eb943b10fc5e586fbe7abbc865...
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.