OpenTechnical

OT-2026-000022217

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000022217) never changes.

Identity and time

Publication numberOT-2026-000022217 · never reused
Internal UUID01a0ae6f-f4fc-7338-ae0b-be9732f57559 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022217
StatusPUBLIC

Content hashes

Canonical text10c9c1bfa830a692d06ec1fc6ad9511f268ea136aea2ae48bd2af09ca784ced7
Markdown4aff8cf1537c4762a48335a3d8f717700f7255184321cb98526df6a2a4ba25c5
PDF
Publication page9b390dbe2a4c179f8efbc5e5442d20f084d0b4786706b960ad60a4748f0f52dc
Manifest24c3250dfd0b31d60f20780010b772c3baa7b2e60e7adf3dfe9dcfe4e019eafa

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
Signaturepj9GeouFdyXsgHVIsV56varFd/FoZhoi7dZ7nVJppfBOPrFihxDOTteomlDt3NQRUqu0RHSSsXfmuTnGejp7DA==
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

2026-09-17T11:52:54.278538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022217
observed 9b390dbe2a4c179f8efbc5e5442d20f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:54.259373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022217/manifest.json
observed 24c3250dfd0b31d60f20780010b772c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:54.242314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022217/publication.md
observed 4aff8cf1537c4762a48335a3d8f71770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:54.222495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022217/publication.txt
observed 10c9c1bfa830a692d06ec1fc6ad9511f...
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.