OpenTechnical

OT-2026-000016801

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000016801) never changes.

Identity and time

Publication numberOT-2026-000016801 · never reused
Internal UUID01a0ae6e-5919-7510-9d5d-b69ef51b59b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016801
StatusPUBLIC

Content hashes

Canonical text799881ce18103d9f21ab058084fcb55e9d5a01967d424dfb789da1c0824fe2c1
Markdownb0494c61b12fbdc2758c115d93028850ee77a9efca58dd8034e791041373c63e
PDF
Publication page407ec297733875306c11f61f831de9a9e65844345487ca69a38529b80aa89b4d
Manifestc8eec8b579e0f138367134449e225c29175f5b38ad927aeb1255346b7f335fcb

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
SignaturePtAefFElBPglc2G/jMgeV4+6yzAl6CLkfXrAUxU455FQpZ+GJW9AgNFAPkoCika0eC2NR31SHnNmPGY3qd5VBQ==
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

2026-09-17T12:03:03.088360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016801
observed 407ec297733875306c11f61f831de9a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:03.072742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016801/manifest.json
observed c8eec8b579e0f138367134449e225c29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:03.055645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016801/publication.md
observed b0494c61b12fbdc2758c115d93028850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:03.038248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016801/publication.txt
observed 799881ce18103d9f21ab058084fcb55e...
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.