OpenTechnical

OT-2026-000061839

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000061839) never changes.

Identity and time

Publication numberOT-2026-000061839 · never reused
Internal UUID01a0ae8b-b8ac-779c-9406-7efcb93d1442 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061839
StatusPUBLIC

Content hashes

Canonical textc0b17f3babd470ad1b03ff8ca28ff6017897cdd2756d46355e8be4c461c970b9
Markdown205c298b7cbde3c9c7dee4886d56db5d0914c2e9f55d22ce3c9025bc3d81f3f6
PDF
Publication pagebf810df25dfa3a06a1f88786d6b280af09212566c768c69768275aebed70e428
Manifest0c64f080114d0a911b75a626e4ad7cd18dc88168a52833693036648d7495e7cb

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
SignaturepTq1KkEWY9916iYsT+3lvrK+mW1gTc7TjNWC0rkCO6rFSJ1UQ09pVYNhDdVUy2BaXQbPGIbLQiSgSpBoMjqDAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:34.971182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061839
observed bf810df25dfa3a06a1f88786d6b280af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.948652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061839/manifest.json
observed 0c64f080114d0a911b75a626e4ad7cd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.925487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061839/publication.md
observed 205c298b7cbde3c9c7dee4886d56db5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.907200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061839/publication.txt
observed c0b17f3babd470ad1b03ff8ca28ff601...
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.