OpenTechnical

OT-2026-000062637

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000062637) never changes.

Identity and time

Publication numberOT-2026-000062637 · never reused
Internal UUID01a0ae8c-0ac1-7c83-812c-4a5489153d79 · 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-2026-000062637
StatusPUBLIC

Content hashes

Canonical textb82ad9fa17ade3f2dad39d99a9983a73aa620d0d634386074ee9b4bb18e94203
Markdown3c7411e5dfce417cfb346b1e8a391284ae3c57d11802d00a61bd7fd26f2437ee
PDF
Publication page6280acf61a885fa399f263bf7f03a4b89fbb494d7cf16a12de8f7cc53b20da46
Manifest56993fda4bf8bde4b6d9083998fd2c3888d701acefe2f818cf2dde50236fd943

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
Signaturec8v1SzlkSUdC3nfBkgxXkBZua1K/MHDpyl56Y6JJvioceCHOmEF4LuDzWG804Gi5LjsMb/whVLZPVey+NBlEAw==
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

2026-09-17T10:40:09.987464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062637
observed 6280acf61a885fa399f263bf7f03a4b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:09.962879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062637/manifest.json
observed 56993fda4bf8bde4b6d9083998fd2c38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:09.935537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062637/publication.md
observed 3c7411e5dfce417cfb346b1e8a391284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:09.894293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062637/publication.txt
observed b82ad9fa17ade3f2dad39d99a9983a73...
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.