OpenTechnical

OT-2026-000019351

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000019351) never changes.

Identity and time

Publication numberOT-2026-000019351 · never reused
Internal UUID01a0ae6e-f392-7aef-8cfa-390a8d336e69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019351
StatusPUBLIC

Content hashes

Canonical text65536550c6859f73a2cf02b46c057a40b3645930db38342a03cdb8c6166fdd0c
Markdown379563b9390116bfb8f7bbd4ab79567d3f2a9d97e3c8acfb7960db3511d772da
PDF
Publication page11c327ee2630bac9bc004dcc35ae1dfe4ec29e9dd0ef2ded58df779bb6ba2702
Manifestb58fe9810e61cf84bb06abe0c87cdc81489600c7e8e2bcaa4199ebf1621c475b

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
SignaturekkmF8W6rrnbnRGZsIMQn5Kdi7eBDfhDtI2/GN+XNnQyikiddQKy4rpLsHsnKfxxoewLNkbRZaReb+ZXnTbdcCg==
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

2026-09-17T11:58:43.716382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019351
observed 11c327ee2630bac9bc004dcc35ae1dfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:43.697392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019351/manifest.json
observed b58fe9810e61cf84bb06abe0c87cdc81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:43.679091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019351/publication.md
observed 379563b9390116bfb8f7bbd4ab79567d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:43.660952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019351/publication.txt
observed 65536550c6859f73a2cf02b46c057a40...
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.