OpenTechnical

OT-2026-000039833

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000039833) never changes.

Identity and time

Publication numberOT-2026-000039833 · never reused
Internal UUID01a0ae78-d8d6-7087-8c22-4dcd22c1baf5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039833
StatusPUBLIC

Content hashes

Canonical text7e00c8d1c205824ccfc63a97966812254b68780ffeeb0967258d62fe1820f3cf
Markdown7393fc8d11b84888abe456e4bc0aa6f395dbf0dd6d01d14899021628f3897c59
PDF
Publication page55ac42ed02d78395f58a16b81fd30dd95c94d225c08ae6befa2575a825df3444
Manifest84b073a016ae431bb3c54b030a32887ef11d0e00577a3c1a5823a455a1967cdf

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
SignatureH/fUlbK2fLXvbQMQPUQS1dFW0H8JRErQOevqVyQbksjO7MAJXmMsFG6IMIbz1eQ33ITbe7OA7zzPIZZG8xQEBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:02.707308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039833
observed 55ac42ed02d78395f58a16b81fd30dd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:02.689430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039833/manifest.json
observed 84b073a016ae431bb3c54b030a32887e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:02.645567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039833/publication.md
observed 7393fc8d11b84888abe456e4bc0aa6f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:02.607196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039833/publication.txt
observed 7e00c8d1c205824ccfc63a9796681225...
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.