OpenTechnical

OT-2026-000101474

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum 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-2026-000101474) never changes.

Identity and time

Publication numberOT-2026-000101474 · never reused
Internal UUID01a0aea4-0e14-75ab-8aac-abd803472c81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101474
StatusPUBLIC

Content hashes

Canonical text08ab91d633353b4e0eb348108d28e2f428c0797a03ae02e7885a2f5e10559110
Markdowna72cf4a5c9524017bb484f0e626fbced7c43c81c29d91a1a8862fda6fe54f18f
PDF
Publication page49118c5dc37d33351f9a0eabfd05ee25a54fddec81dd0c05bd0d51df499e42b6
Manifestee293cabedd60bd6d2fd35d5ce5fff476d0af386231b25f0562b61b059f36773

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
SignatureEX0So6PQLg2OjnQV9KA1ljBkQNW2kkZJ4OF9NvSIpJ3/wPszwMTe2imqnGidjnqg7GXZ+zFXjICOVxkY9qEgDw==
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

2026-09-17T09:26:03.426247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101474
observed 49118c5dc37d33351f9a0eabfd05ee25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:03.406747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101474/manifest.json
observed ee293cabedd60bd6d2fd35d5ce5fff47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:03.363972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101474/publication.md
observed a72cf4a5c9524017bb484f0e626fbced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:03.343623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101474/publication.txt
observed 08ab91d633353b4e0eb348108d28e2f4...
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.