OpenTechnical

OT-2026-000099531

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000099531) never changes.

Identity and time

Publication numberOT-2026-000099531 · never reused
Internal UUID01a0aea2-c975-7046-8872-9845d250c31b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099531
StatusPUBLIC

Content hashes

Canonical text99832c6da420027fddd1e1ebeb535226c4259c7e1b773727bea3910821f8d051
Markdown076408099b7dea7bb9fad41e61f83a240a39a4812ceaba81883b61651b3f4ac4
PDF
Publication page1bcac31a9b22718a3286bc0b8e52ab5b5728fdcccb546fa02e1663d1ad399064
Manifest69911227912a68838c7588d01af97bf4187d7d5ebfadd739e73f4f977ef09c4a

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
SignatureI3ml/Rajm+WgL5/34zb6exnBov9CYOZThRTtxccZCZ6Vt5o64ksEV1QTH2+c/f1p/XqMyUaFeMQ1RV7BAK1KAw==
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

2026-09-17T09:29:25.961897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099531
observed 1bcac31a9b22718a3286bc0b8e52ab5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:25.942949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099531/manifest.json
observed 69911227912a68838c7588d01af97bf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:25.925181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099531/publication.md
observed 076408099b7dea7bb9fad41e61f83a24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:25.907774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099531/publication.txt
observed 99832c6da420027fddd1e1ebeb535226...
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.