OpenTechnical

OT-2026-000100393

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000100393) never changes.

Identity and time

Publication numberOT-2026-000100393 · never reused
Internal UUID01a0aea3-66ee-7ede-9599-fa649b506cab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100393
StatusPUBLIC

Content hashes

Canonical textf589ccca8f5722f91e85b803ad56a10374714fe04c280cc4046cfbf3414a6001
Markdown8b46fc51b8f4537a840917bc6205274fb7a750f3755cf93761a546010dac176e
PDF
Publication paged120b804d1cd2e322850e64bc2c0505796205bc4806be9286e11727bceb1ae2a
Manifest4d08729aaafff2625c2ba8e2dcad6f0feb2ced7c1f8c5d590e9b65b033c5bf5b

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
SignatureYzhopLktBXDvFwvkJyI6WSvP+Xm2dxAN9AlbUDR27Mvwg5v16dsZ7CeBZMQTrPuGE9eof3OTct86I+/+k7JHAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:07.582234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100393
observed d120b804d1cd2e322850e64bc2c05057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.566004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100393/manifest.json
observed 4d08729aaafff2625c2ba8e2dcad6f0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.549375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100393/publication.md
observed 8b46fc51b8f4537a840917bc6205274f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.531121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100393/publication.txt
observed f589ccca8f5722f91e85b803ad56a103...
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.