OpenTechnical

OT-2026-000086413

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000086413) never changes.

Identity and time

Publication numberOT-2026-000086413 · never reused
Internal UUID01a0ae9a-2c97-7535-9108-c91b653e6d5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086413
StatusPUBLIC

Content hashes

Canonical text84962fd96a115087da636d361d624075bf9ae112bbf578e3ed1ff71a4b6cebee
Markdown7c9dbca3168ea4c9e62b750b5178fe9732796735f61f4859b745e020024b56d0
PDF
Publication pageaba34e5ab2b45cd3af7fbe29a4427b225e549d8f2950aa1090264fe85c38cf59
Manifest791e85fefad7cafa5d0c07e0463aea52b3c19448a8358a4774e301f785ed0677

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
SignaturekzuFgspdcgnxr4MqBmWsIvQPL98OtJrfuiZYI0hCSTkPsfvjwO8KO/jyIgDDTspEcIChlGjleDetxuTDM0rMDQ==
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

2026-09-17T09:52:12.297669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086413
observed aba34e5ab2b45cd3af7fbe29a4427b22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:12.280436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086413/manifest.json
observed 791e85fefad7cafa5d0c07e0463aea52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:12.263191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086413/publication.md
observed 7c9dbca3168ea4c9e62b750b5178fe97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:12.243655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086413/publication.txt
observed 84962fd96a115087da636d361d624075...
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.