OpenTechnical

OT-2026-000009213

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, vented after 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-2026-000009213) never changes.

Identity and time

Publication numberOT-2026-000009213 · never reused
Internal UUID01a0ae6b-31b9-7fa8-aa06-a56f39f27af7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009213
StatusPUBLIC

Content hashes

Canonical text1d7a77367d1b497e7f6a4b9a188c5ba2f3772222279af498601922f51a71dbdf
Markdowna3a1b47512386c5340626d624372c7bf5faa14c1d2f0330c6b00856c29744dd2
PDF
Publication page89bd0d0954730db0f194ad7253f9188cdf6d224617ec49fe986d2d01765f1876
Manifestb3b328ba2f7c72f642918d3f8f75d5dd6e08beabe3df3a1d154f5aaf3b80834f

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
SignatureuHEkbW++/FMDz2zmS9GjuokxTZPzL8R2qgeObhWX39iBsAThTvTD+43pYuQjqFfOhgcRxuwbAA6puSBqnVBJCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:56.249515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009213
observed 89bd0d0954730db0f194ad7253f9188c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:56.228708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009213/manifest.json
observed b3b328ba2f7c72f642918d3f8f75d5dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:56.208113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009213/publication.md
observed a3a1b47512386c5340626d624372c7bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:56.187249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009213/publication.txt
observed 1d7a77367d1b497e7f6a4b9a188c5ba2...
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.