OpenTechnical

OT-2026-000099317

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000099317) never changes.

Identity and time

Publication numberOT-2026-000099317 · never reused
Internal UUID01a0aea2-8289-7c59-a101-faac0e18eabb · 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-2026-000099317
StatusPUBLIC

Content hashes

Canonical textf89388ce0492ce3c7f0f690d84b9f41163d2c40ee05fa810a16103f0a04c9b7e
Markdown1e17742dd6c26718520fdbf5cc51fe1112bcbad7c0b0c16dcbad3b9d5b5465bd
PDF
Publication page88508b97454090382ecceb4ef33c7db28338ae4708b14b2a23c58961563560f8
Manifestf895649a561bc31b2017308b72f1d662fcfef57ee0190572ca8f874362714afa

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
Signature7RMhf8+SRgLWQu02dZwg/mXGE1G+xYp1qmgSMQ58G3jmH3JSh9V7HuOnmRWuipS5/ThmNiQmPlmWarDq3w09Dw==
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

2026-09-17T09:30:47.069954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099317
observed 88508b97454090382ecceb4ef33c7db2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:47.049985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099317/manifest.json
observed f895649a561bc31b2017308b72f1d662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:47.031256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099317/publication.md
observed 1e17742dd6c26718520fdbf5cc51fe11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:47.013966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099317/publication.txt
observed f89388ce0492ce3c7f0f690d84b9f411...
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.