OpenTechnical

OT-2026-000099818

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, sustained 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-2026-000099818) never changes.

Identity and time

Publication numberOT-2026-000099818 · never reused
Internal UUID01a0aea2-c978-7dac-b1e6-e069e9226c38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099818
StatusPUBLIC

Content hashes

Canonical text857d4227a7fe43e8929f74b8b3a97d6d42a36e57fac0225afe76bae948c04635
Markdown936cc3800fbf164f95fa534e2d2b46175ddb0ca9ee324b06be78ac4ecacc0425
PDF
Publication paged20db5c047291368ef7684a0ff385dfb8b48385ada01b4608e6ea9d832b6fb09
Manifest71e340c2f6db0f97f624ce04f255b44213c556da8a43235192f013979235cb85

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
SignatureDikpQ1tr4My4m/FqfX1dCWIh5gETms00FkI0xttLAZBDhUpDx1C1kfesZTyCXyBJdNQ4Ho6l7hOLzXUj3JPsAA==
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

2026-09-17T09:29:49.153329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099818
observed d20db5c047291368ef7684a0ff385dfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.137467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099818/manifest.json
observed 71e340c2f6db0f97f624ce04f255b442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.120409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099818/publication.md
observed 936cc3800fbf164f95fa534e2d2b4617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.104325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099818/publication.txt
observed 857d4227a7fe43e8929f74b8b3a97d6d...
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.