OpenTechnical

OT-2026-000029396

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000029396) never changes.

Identity and time

Publication numberOT-2026-000029396 · never reused
Internal UUID01a0ae73-5e20-7298-b37f-bd67903c02ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029396
StatusPUBLIC

Content hashes

Canonical text4748373eec1b5f20d4c27e9584d733aaf205f5149b9f9dffc9a713348aa1ba97
Markdown1a21f8dc0b313890c36f55089c1f0f09c8607f6dc1a8fdde3f99c0edb0fe0d3c
PDF
Publication page03f50b00f3fcedf5c045a635a659adfe98b1e6515d46a5ded827dc1af5ab5d3f
Manifeste74b617d66b11ad15cb0f55a751491e19613f5922acf6ba79388867a81038cbd

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
SignatureE9ddmuXRQLSb12+G50WWggwUPkb6K9kr+HAWEKqi+CSHYbAJwE4T7ikMOJ3wfjpGIeAiWbvik43xX7xBl2jQAQ==
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

2026-09-17T11:38:58.083547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029396
observed 03f50b00f3fcedf5c045a635a659adfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:58.067952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029396/manifest.json
observed e74b617d66b11ad15cb0f55a751491e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:58.050683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029396/publication.md
observed 1a21f8dc0b313890c36f55089c1f0f09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:58.031735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029396/publication.txt
observed 4748373eec1b5f20d4c27e9584d733aa...
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.