OpenTechnical

OT-2026-000013636

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two 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-2026-000013636) never changes.

Identity and time

Publication numberOT-2026-000013636 · never reused
Internal UUID01a0ae6d-8de8-74d9-b228-22192cb2be28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013636
StatusPUBLIC

Content hashes

Canonical textd9d28b4ed40cdf135f343ecdd6899e9e1fa8d3b29700bf5bc5c5e41a49c6b5df
Markdown81723b5915fe6118b829cb2615cefda609eca082d93b6e7f4f531ec953ca5856
PDF
Publication page6c6783980a4c5452b68d06d1f06248a945833074ac2315fef789f5bf82cfe99e
Manifest54d5593b71029e313a6b5f6bac4bec6a103d60ff971ff4ee23fa2e3d23a55034

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
SignatureZ3HZ6YUaz3X+WhQgeQz9wd0QWNgdtUvjHGiIVuyp3fhm5vre4tqXHpdK+1CEB8OiwzCGfX54d+lSIlaCf55cDQ==
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

2026-09-17T12:10:33.260018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013636
observed 6c6783980a4c5452b68d06d1f06248a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:33.240314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013636/manifest.json
observed 54d5593b71029e313a6b5f6bac4bec6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:33.220578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013636/publication.md
observed 81723b5915fe6118b829cb2615cefda6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:33.201429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013636/publication.txt
observed d9d28b4ed40cdf135f343ecdd6899e9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.280016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013636
observed 6c6783980a4c5452b68d06d1f06248a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.262069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013636/manifest.json
observed 54d5593b71029e313a6b5f6bac4bec6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.243886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013636/publication.md
observed 81723b5915fe6118b829cb2615cefda6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.226468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013636/publication.txt
observed d9d28b4ed40cdf135f343ecdd6899e9e...
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.