OpenTechnical

OT-2026-000086973

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down

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-2026-000086973) never changes.

Identity and time

Publication numberOT-2026-000086973 · never reused
Internal UUID01a0ae9a-80a5-7b5d-8f2a-2de06c56a499 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086973
StatusPUBLIC

Content hashes

Canonical textd2e051cf8a52a484bcf555094d52af42af2b98be9fa1c0184555cf7fce605b90
Markdown9b0fa63f4654e093b9fd4c3177ddbbf61dee9ff81beed62d95af0591a28a87d4
PDF
Publication page16c0596939f2ecad881dedee0a265891a1cbcf4de80997ade1b3595b6fe9b3ee
Manifestca7e17193ae7cbe10469096003cb924b974fa5b69d6e074ed16194ca2010c926

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
Signature29nvfBiSkILiAplnDiu1bFTnwuwZezMOsX+L8EXHHm4L6UbYyqYfaj+wq6GpH6odGdHqVE7Gcq0KXp/U5vdNAw==
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

2026-09-17T09:51:52.492888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086973
observed 16c0596939f2ecad881dedee0a265891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:52.475870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086973/manifest.json
observed ca7e17193ae7cbe10469096003cb924b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:52.457702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086973/publication.md
observed 9b0fa63f4654e093b9fd4c3177ddbbf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:52.440031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086973/publication.txt
observed d2e051cf8a52a484bcf555094d52af42...
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.