OpenTechnical

OT-2026-000062564

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000062564) never changes.

Identity and time

Publication numberOT-2026-000062564 · never reused
Internal UUID01a0ae8c-0ac1-7d5a-b3c6-eeeffb0ad876 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062564
StatusPUBLIC

Content hashes

Canonical text58bf95dfb5dd704be303bae2a88304b765a6efe2be9aec3a1cfe460e745652bb
Markdown88a79c91d857e4fb7829a5a31c541fa907521d1864af6679870e867d93f20135
PDF
Publication pagebc7fcd99a2ae8a6122d0d2f9ba8f89f43ad498c7232cae7883037b7baf9848f7
Manifestbf16263f4cb68d94d5575a5157c48a5adcc3034677badce0423e455eed3d89fd

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
SignatureiH9encFj8VEu2ESoSiLXxmsrqDb41EJ7dbwpbEZZae4sc2iyzfuEskyyqv/ZcGWLoeFia+AaH+9T/3lFHzkwAg==
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

2026-09-17T10:40:02.646508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062564
observed bc7fcd99a2ae8a6122d0d2f9ba8f89f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:02.619690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062564/manifest.json
observed bf16263f4cb68d94d5575a5157c48a5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:02.560214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062564/publication.md
observed 88a79c91d857e4fb7829a5a31c541fa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:02.540030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062564/publication.txt
observed 58bf95dfb5dd704be303bae2a88304b7...
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.