OpenTechnical

OT-2026-000016744

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-2026-000016744) never changes.

Identity and time

Publication numberOT-2026-000016744 · never reused
Internal UUID01a0ae6e-5918-7742-b8d9-df283a73c6ff · 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-2026-000016744
StatusPUBLIC

Content hashes

Canonical textdd8b185e5a899505ed698138ec1eebd214a7101d1e848e2ccda10908503646a4
Markdownb9bbd803e300cb26cb2f0ca4b8b769c94ff568b629f7852e33344bc976dcdb1e
PDF
Publication pagea31e67e704e347d1b627bc6c25d2074d4f47974a4f7e31d3907dcb9a982e8b77
Manifest1d33e2ec8d7ef5622a3a599706e7f388d5601819b8cf5fafc2850e821b8d506a

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
Signatureez9Z1AI9QzQGd2gmynrnR3qGvGOkwLbyw2ZqCgEOWSuT5Nz/lSERwaNWmPI0Hm43LmCCKUTb+IgwHihRMXkUBQ==
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

2026-09-17T12:02:58.604274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016744
observed a31e67e704e347d1b627bc6c25d2074d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:58.587822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016744/manifest.json
observed 1d33e2ec8d7ef5622a3a599706e7f388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:58.572178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016744/publication.md
observed b9bbd803e300cb26cb2f0ca4b8b769c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:58.556376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016744/publication.txt
observed dd8b185e5a899505ed698138ec1eebd2...
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.