OpenTechnical

OT-2026-000016720

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000016720) never changes.

Identity and time

Publication numberOT-2026-000016720 · never reused
Internal UUID01a0ae6e-5918-7da1-a09c-f7e2441d629d · 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-2026-000016720
StatusPUBLIC

Content hashes

Canonical textfbee24ae5574334cbee16d3cabdb1e8be51707fffff6d5d66f70035804f905a2
Markdown371ba92772d8974f8b7914d2159299efe94ca48b1c0ba8afc429eb7996e28dc7
PDF
Publication page5fbd8ad7aef57e6cd7742be45862f0bed0c17b3879b8d3364f0a39ddd2434f26
Manifest2b23e1c65d4fb219213fd94aa9f06cdeb25bfe93d2263a10386248c22ab65ad7

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
SignatureVtKiWq2L/OP/Tm8lcFy1WJD+WYNrqZ7QtD6KZgfhJKN/5g5dmDP6zWsuELWEo1yUu8XxHA8SHlflOjE4lL21Cg==
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

2026-09-17T12:02:56.911386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016720
observed 5fbd8ad7aef57e6cd7742be45862f0be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:56.892746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016720/manifest.json
observed 2b23e1c65d4fb219213fd94aa9f06cde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:56.874419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016720/publication.md
observed 371ba92772d8974f8b7914d2159299ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:56.817324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016720/publication.txt
observed fbee24ae5574334cbee16d3cabdb1e8b...
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.