OpenTechnical

OT-2026-000013600

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000013600) never changes.

Identity and time

Publication numberOT-2026-000013600 · never reused
Internal UUID01a0ae6d-6fcb-7c31-861b-dbef96d18b9d · 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-2026-000013600
StatusPUBLIC

Content hashes

Canonical text991ce32d912614004d828c855c7e4ff4a1ecd2015ed11483e1f57a915b24f10f
Markdown169effa4b74e4b4c909b4bad53b037e01670653b0ad076812a7dc42b5db7b637
PDF
Publication page1e1854aa47b4e4a3d9a62b4955ec0b0cdf9efd5c03415913b7e04410391dd1ef
Manifest58ff5bdb43a02dc82bb795ef504427c74fd323ce5aa5c9863c3f532267531755

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
SignaturegfPnQhR6DaH9DCVv7Wmf1FYZUNFoNXtMCZ6hPEaM4BzNbzsufoQrr/hF5AZCDAmFTj6E9ouYTIqrojOSaD2aBw==
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

2026-09-17T12:10:09.345382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013600
observed 1e1854aa47b4e4a3d9a62b4955ec0b0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:09.325562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013600/manifest.json
observed 58ff5bdb43a02dc82bb795ef504427c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:09.306949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013600/publication.md
observed 169effa4b74e4b4c909b4bad53b037e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:09.288430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013600/publication.txt
observed 991ce32d912614004d828c855c7e4ff4...
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.