OpenTechnical

OT-2026-000033607

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump 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-2026-000033607) never changes.

Identity and time

Publication numberOT-2026-000033607 · never reused
Internal UUID01a0ae75-a38f-71ef-8aaa-bf36eae14370 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033607
StatusPUBLIC

Content hashes

Canonical text75f48f97c075151f4d7e151764ced320592b7588fde520543b6f733dffe53226
Markdownbad80db63d84f50a1a1d1cc4466853dfe7add3e2c906de9d8626ff27ed55c4c3
PDF
Publication page473c180f675707f456ce453d9794e315c5a7910697d3b1e5274c6a54bcad90e1
Manifestd0447e9de87d3474d75b68d64f09be96158856ca382f619c27a0f6ab18c2ffc2

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
SignatureLtHLNdSEWIzFRnovCN+B77mhgSyQq7XgQoteOuXOprPo0gfiZtd5yP2hkp9DeJBKg3OPuaHMclLuaqsppM8OCA==
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

2026-09-17T11:31:34.723702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033607
observed 473c180f675707f456ce453d9794e315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:34.706541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033607/manifest.json
observed d0447e9de87d3474d75b68d64f09be96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:34.687800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033607/publication.md
observed bad80db63d84f50a1a1d1cc4466853df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:34.668755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033607/publication.txt
observed 75f48f97c075151f4d7e151764ced320...
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.