OpenTechnical

OT-2026-000016572

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000016572) never changes.

Identity and time

Publication numberOT-2026-000016572 · never reused
Internal UUID01a0ae6e-2d14-7fd8-b1e3-d22109c874d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016572
StatusPUBLIC

Content hashes

Canonical text412888d565ebcde338fd99d5d74a02020de7e8451b77738116777c4a071010e3
Markdown354622a2e864c2691c72eb37d7268b1976e7b8917b37ae173e2c23b91c289853
PDF
Publication pagec93fe5993a8d2b2eb96fc0c277f8e1381a6cf12ba71a6f0f8727c56e17e078fb
Manifestc57b0147847b76d58e7544ac3f80f4c4e64b758f381837e2a186cc7f4e9659b4

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
SignaturelDHIniPi1NCxSL8F3R3ddSsHS1nF/eP7zNYoJY+UIIbkZBWkOE2CqItDzOR58TxXANghqB+bokTipn81gUgICg==
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

2026-09-17T12:04:48.211372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016572
observed c93fe5993a8d2b2eb96fc0c277f8e138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:48.191058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016572/manifest.json
observed c57b0147847b76d58e7544ac3f80f4c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:48.172633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016572/publication.md
observed 354622a2e864c2691c72eb37d7268b19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:48.155459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016572/publication.txt
observed 412888d565ebcde338fd99d5d74a0202...
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.