OpenTechnical

OT-2026-000098898

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000098898) never changes.

Identity and time

Publication numberOT-2026-000098898 · never reused
Internal UUID01a0aea2-8286-7e82-9b50-3a0612e7bf20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098898
StatusPUBLIC

Content hashes

Canonical textde80337959565d132ef337310626b22061b3da303c6c4ac8018ff19b65db9b4f
Markdown1a456c763bab2192b93718f9808fd5e0fa2caa0653dd850672ff2c4cd8cdd3a1
PDF
Publication page7c91746649a070e898b6ba094b43ed6fb48cd10e546fd344dec62e18590c968f
Manifestccca59add0c651530f9056dd82012f23e21c89bba3881eb28548d19feaae9503

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
Signaturefdoz2lpA9cmoT8sB1324c/id5UEF8USG/xJuMLypJW6xjkQY4fhLQiLfbNwT7mEISB+K+87OJipZTXqSEYP9DA==
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

2026-09-17T09:29:57.285675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098898
observed 7c91746649a070e898b6ba094b43ed6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.268325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098898/manifest.json
observed ccca59add0c651530f9056dd82012f23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.250845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098898/publication.md
observed 1a456c763bab2192b93718f9808fd5e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.232531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098898/publication.txt
observed de80337959565d132ef337310626b220...
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.