OpenTechnical

OT-2026-000080455

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000080455) never changes.

Identity and time

Publication numberOT-2026-000080455 · never reused
Internal UUID01a0ae96-7e78-7774-a44f-d903758dd4af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080455
StatusPUBLIC

Content hashes

Canonical textb90b4f84e42e72505a51ec2121b820dac6f84610837c081f1f07da9d2227ddf1
Markdown7469539994e1d07f83e9fed692d80bbf3c4ea95c33f241ac5446313b94fe26c9
PDF
Publication pagec97710c5431afb9e11bb0058e1c92d828c7149b20ed4b17827cf727a604b8e3a
Manifeste29cb98633d638df6f283fe1d97d7dd9ce1c290e78c290d4e04282d7f14c592e

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
SignatureP5JHZ6EL6+DYCs1me2gVvRxXyPxHcnsG3/As2WTTV+GhsORuzCwXDnPetBEU8YLDCvEC3SUAxUPNFXij0eURAQ==
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

2026-09-17T10:02:58.418270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080455
observed c97710c5431afb9e11bb0058e1c92d82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:58.399713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080455/manifest.json
observed e29cb98633d638df6f283fe1d97d7dd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:58.381326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080455/publication.md
observed 7469539994e1d07f83e9fed692d80bbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:58.363520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080455/publication.txt
observed b90b4f84e42e72505a51ec2121b820da...
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.