OpenTechnical

OT-2026-000033235

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, pulsed 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-2026-000033235) never changes.

Identity and time

Publication numberOT-2026-000033235 · never reused
Internal UUID01a0ae75-4845-704d-85d5-5f733a43dfa9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033235
StatusPUBLIC

Content hashes

Canonical texta2c86ac9f5bfb86ecfd4a3a66e7127e45a740c9bfa387e15d854c70c0e807d54
Markdown27162bec00f48cc4470fa8d3273c9917efd02f5389b0124bc37f0debeddfeeb2
PDF
Publication pageb56f295bfe59a8d7456f6d14f54b93cce15ca5df63a40b1c4e9f2256473be8c3
Manifest4cfc53b667628a051990a9aa5d5cceee427bb611be2bb1f094db264c4d22445b

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
Signature/8KsB3hKHXUz1YaY0V9V/G21n+Iv2K6/n4MtD4ye/NVQrzXqA+0ZO6YEbVc1I5jt2/Fp/QfLmHkkZexvjqOTBw==
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

2026-09-17T11:32:56.531383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033235
observed b56f295bfe59a8d7456f6d14f54b93cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:56.514800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033235/manifest.json
observed 4cfc53b667628a051990a9aa5d5cceee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:56.498806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033235/publication.md
observed 27162bec00f48cc4470fa8d3273c9917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:56.482048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033235/publication.txt
observed a2c86ac9f5bfb86ecfd4a3a66e7127e4...
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.