OpenTechnical

OT-2026-000066652

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000066652) never changes.

Identity and time

Publication numberOT-2026-000066652 · never reused
Internal UUID01a0ae8e-ce42-7908-8dc8-828711a78fb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066652
StatusPUBLIC

Content hashes

Canonical textf3c311983922b14a9a833ae944c1f55c1d9c14e3fd7856a99c981b124422c06d
Markdown5af5598c638713c2985da767172a91f5f51ea2ea8e171b1518fc58ea40eb40be
PDF
Publication pagea698cdbc5332fd8538516d6327ad37016f36942053ffa932d0647966d693da3e
Manifest3cf4e99bbec263a0009a0a9dc4e1d616c1cb615d3fe5832312d21d21461f9ae7

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
SignatureKRO8sn/BDHkH/CZo8PnpERrA/SlNOv4j0khdTZ3DGluidSn2ZA3YJbXiZYX/aXHt5snlQ6E9qh8HR6pAvFnEDQ==
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

2026-09-17T10:33:02.257968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066652
observed a698cdbc5332fd8538516d6327ad3701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:02.238922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066652/manifest.json
observed 3cf4e99bbec263a0009a0a9dc4e1d616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:02.220506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066652/publication.md
observed 5af5598c638713c2985da767172a91f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:02.203265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066652/publication.txt
observed f3c311983922b14a9a833ae944c1f55c...
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.