OpenTechnical

OT-2026-000095649

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000095649) never changes.

Identity and time

Publication numberOT-2026-000095649 · never reused
Internal UUID01a0ae9f-fac4-725e-9608-21c3cb360d18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095649
StatusPUBLIC

Content hashes

Canonical text2906089dcc2858475465df144afa18b83d7aaf23e84d3dfadf3c7bf88bd395cd
Markdown7ba4c8f5c363c6995cce02d76a3e18a67f9acc17724c53aa9fbdf19bf4ffe69b
PDF
Publication page15ed57e6f84903958469539d408f813deb3f4a0b47154088ba3c23c2df6b46f1
Manifestf6e6ed5b248288bb3191f37497e53f71686d8410d6a309bba5fa54bc424a9a23

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
SignaturenfespWfS+McqCWCsom/x1M8xdrGCWLwD37gEC+TMMLGVpaoeilZzOkYT2hlQBF5DuMvqqG8CxAewv653pk4lAQ==
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

2026-09-17T09:35:06.926467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095649
observed 15ed57e6f84903958469539d408f813d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.908092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095649/manifest.json
observed f6e6ed5b248288bb3191f37497e53f71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.890433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095649/publication.md
observed 7ba4c8f5c363c6995cce02d76a3e18a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.870762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095649/publication.txt
observed 2906089dcc2858475465df144afa18b8...
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.