OpenTechnical

OT-2026-000006200

Publication integrity record

Vacuum cup gripper, three zone face, ejector fed, pressure verified, polyurethane cups, flat form

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-2026-000006200) never changes.

Identity and time

Publication numberOT-2026-000006200 · never reused
Internal UUID01a0a952-b9ef-7855-993d-6aae2292d798 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:26:06.194805Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006200
StatusPUBLIC

Content hashes

Canonical text5f50f7620d50630c4634f7fb46e709b878c334bd63a97185dba9ea75f6c8d4e2
Markdowne499284233f942b87f322be721f40c45115c3382f12684aec983bc9a598c8aeb
PDF
Publication pagebe5b554449904d8fb5f8cc40c007beef51ed866a3f5d62fe2780a341b73f72e0
Manifest56838aa3ac7fa0508c61d56a4662d8696fed7bd282cbefd97061a7ea01cab1d2

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
SignatureTy43dqIdF7cc3jI3Ec20+cTaqZ/VIt1GNB/5iOLzIH1ipt897gwQqgWQqm1MZc99nk1KPSxfKzuEXlXL6j7hBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:15.909399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006200
observed be5b554449904d8fb5f8cc40c007beef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:15.895971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006200/manifest.json
observed 56838aa3ac7fa0508c61d56a4662d869...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:15.882372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006200/publication.md
observed e499284233f942b87f322be721f40c45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:15.753147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006200/publication.txt
observed 5f50f7620d50630c4634f7fb46e709b8...
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.