OpenTechnical

OT-2026-000043832

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, pulsed blow-off after 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-2026-000043832) never changes.

Identity and time

Publication numberOT-2026-000043832 · never reused
Internal UUID01a0ae7b-d677-7f0a-9446-3e57ff781747 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043832
StatusPUBLIC

Content hashes

Canonical text34101c3d176018a394c1032977441d4619abf91369bf7ec15508799c8b6f74ad
Markdown71d925abe74ce06d3225b62e8aded6e728a9eba91b10808df8aded63ba8e4007
PDF
Publication page1191dd273d2d386f0638d522a52c850aaf0e0757a145cf4a89fc82c63d44e70c
Manifestc7d06867fd15af2e54ecf601ca869447d7b297925e87b56a9aee9542a8e3748e

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
SignatureXEKlxKvqhn4ZR/5OtJ6/91YSmWK0hDGra+Ee/5Pv026BRjDTPjaQQRe5F4rtlpmneDSwgiMnko+M3SEpTn9mAw==
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

2026-09-17T11:12:08.715324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043832
observed 1191dd273d2d386f0638d522a52c850a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:08.696979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043832/manifest.json
observed c7d06867fd15af2e54ecf601ca869447...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:08.678600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043832/publication.md
observed 71d925abe74ce06d3225b62e8aded6e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:08.658626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043832/publication.txt
observed 34101c3d176018a394c1032977441d46...
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.