OpenTechnical

OT-2026-000049922

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000049922) never changes.

Identity and time

Publication numberOT-2026-000049922 · never reused
Internal UUID01a0ae81-fd76-7604-8b37-19cebf003cbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049922
StatusPUBLIC

Content hashes

Canonical textab52ec18370848b20f3045f5084959e87bcc904d97d7d7d1f78fa4b27906082c
Markdownb86bc6b0e7a9bf523a1463eaf8ef56628962b41f9af8b42cc58e54f71f186fc9
PDF
Publication page833cd53354b0dd24af7625e30f462b3bee1601c2835a8330f6c49a749521d5fd
Manifest6b26eec33f3c72acd0c38d95555d0f19c56212abddc3e3cf486b3d52be26e034

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
SignatureCRXLRGt05nO2HAAyh1s0g9Shzso+XuHAf0BNFIVhUErpOWQaC2iDqG31WDEVzzW5mQyNgP0F07cj3ltBc5TSAg==
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

2026-09-17T11:01:50.990230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049922
observed 833cd53354b0dd24af7625e30f462b3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:50.970668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049922/manifest.json
observed 6b26eec33f3c72acd0c38d95555d0f19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:50.950749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049922/publication.md
observed b86bc6b0e7a9bf523a1463eaf8ef5662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:50.928828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049922/publication.txt
observed ab52ec18370848b20f3045f5084959e8...
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.