OpenTechnical

OT-2026-000100801

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000100801) never changes.

Identity and time

Publication numberOT-2026-000100801 · never reused
Internal UUID01a0aea3-66f5-742b-896b-d6546fa8d55a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100801
StatusPUBLIC

Content hashes

Canonical text5b4feccd54aa8af429727f5bd27430ebcaa3f37d41b145308614cb41f6f16ef3
Markdown05f5256bb6e521c270e20973fc84f00fad0d17372560c27fc9f87c58126fdf9b
PDF
Publication page9b612d2228b3c512456285d947a5460bab85e9bd2dc91af5b77e9ae8afe7987b
Manifest9ee2a2b8ec09687f4c7ce9a395e6e23a210c5dcf4928f46b136987e18fba677b

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
Signature6fOWS6u6ngWazieEeYk2QeMmdJ8OH3OfoYqQk6C+/YsWtRK8m3Z1DXGbnRWcxu98scO7Bdi9nLaIj1l78T7hCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:42.912432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100801
observed 9b612d2228b3c512456285d947a5460b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:42.890802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100801/manifest.json
observed 9ee2a2b8ec09687f4c7ce9a395e6e23a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:42.871363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100801/publication.md
observed 05f5256bb6e521c270e20973fc84f00f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:42.852463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100801/publication.txt
observed 5b4feccd54aa8af429727f5bd27430eb...
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.