OpenTechnical

OT-2026-000009397

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line 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-2026-000009397) never changes.

Identity and time

Publication numberOT-2026-000009397 · never reused
Internal UUID01a0ae6b-7561-78f7-ab00-08eb6a806a12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009397
StatusPUBLIC

Content hashes

Canonical text3a0cfd7b58307aac72ee5e6656441d64beb1e7313252cab5c59a3c2682b3c5bf
Markdownf25f133d04659545d5aac3c67e8efbda1c7c338fb6f31a7304971651358c649f
PDF
Publication page88bd83b2c608a74244a8cfae4e11d3c5ccad6e11300af04afbce4486e478087c
Manifest391ad8fe85f0d592234939aee90f830d5f4027785f835ddfff62b45c54da3f82

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
SignatureAzc3PLLI3WWf2l/LVe8p5xW1n/U82Q8+jjD0zovXthSuMDjMpD2zkAd/yDm17Sy8zQFAIYDGO5gaVPh/x2PJAw==
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

2026-09-17T12:16:40.431356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009397
observed 88bd83b2c608a74244a8cfae4e11d3c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:40.412291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009397/manifest.json
observed 391ad8fe85f0d592234939aee90f830d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:40.393210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009397/publication.md
observed f25f133d04659545d5aac3c67e8efbda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:40.373973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009397/publication.txt
observed 3a0cfd7b58307aac72ee5e6656441d64...
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.