OpenTechnical

OT-2026-000091926

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000091926) never changes.

Identity and time

Publication numberOT-2026-000091926 · never reused
Internal UUID01a0ae9d-43bb-729f-8303-15b4e4b77058 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091926
StatusPUBLIC

Content hashes

Canonical text842dbbbe95c8906ebc1dc046550eaafd81facc1ff12740d25ea86b7cc988e5b2
Markdown2f5a361d891f2c36569ecd37a5bd5d687773bbc29c4867d0c683b1b701c29012
PDF
Publication pagec9643f3ba327b3a026c23acb5f9bc58a1822dcaa2490d2ea68fdbe1fb7ca300c
Manifestf0811623f84bf813f5bb8d0755e72be87387bcb23cf1b145847701c9d2733428

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
SignatureIYVRXOpXqFoN/TMpr6sB4GLZbKOJEInNbqeOvAym1pWWeuHsgNbDMCokrcV8c8RXJhI3DtSsAop6U5NgewPYCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:42:52.165484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091926
observed c9643f3ba327b3a026c23acb5f9bc58a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:52.148958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091926/manifest.json
observed f0811623f84bf813f5bb8d0755e72be8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:52.131828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091926/publication.md
observed 2f5a361d891f2c36569ecd37a5bd5d68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:52.114187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091926/publication.txt
observed 842dbbbe95c8906ebc1dc046550eaafd...
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.