OpenTechnical

OT-2026-000017679

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pulsed 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-2026-000017679) never changes.

Identity and time

Publication numberOT-2026-000017679 · never reused
Internal UUID01a0ae6e-96fa-7d77-ab8b-bace16760974 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017679
StatusPUBLIC

Content hashes

Canonical textdfb57bf142db3271e97a567fe4566b984d9b1765308bf66f4fbae7bdcbf85f4f
Markdownefe4ea7b1c30e1141ed47725f37d7d2ca8b08454b8aea9b2e8305cf8d049bcbb
PDF
Publication page90a0d8844dc33ccc8b6f023177c6ade675431d50bf12a6046f88ee43fa82b62b
Manifest792b0ddef081c257cba89bfac248bcb299839e4dc3c8f1d3b7bccd482d3e7f0a

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
SignaturebcwIi1f7honZB2T8iS0CE7Gq3xHyjDQr4keUcNTKjzlc53tyjFQGOqlOsv6xNjHWtQOCz4SUBdW8aFyrTr3KDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:01:37.154986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017679
observed 90a0d8844dc33ccc8b6f023177c6ade6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:37.137895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017679/manifest.json
observed 792b0ddef081c257cba89bfac248bcb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:37.119563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017679/publication.md
observed efe4ea7b1c30e1141ed47725f37d7d2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:37.102938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017679/publication.txt
observed dfb57bf142db3271e97a567fe4566b98...
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.