OpenTechnical

OT-2026-000013666

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000013666) never changes.

Identity and time

Publication numberOT-2026-000013666 · never reused
Internal UUID01a0ae6d-8de8-7b98-9a12-42fa089821c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013666
StatusPUBLIC

Content hashes

Canonical text7468b1d62d201f0cf70c00a7777ea15f62434e42a5dd3ce8153e03ac13629231
Markdown94c7b6efb925efe74bacc47750d0302460a48dd792e41f32c618cff030e5e4a5
PDF
Publication page2fee46df42f544746cd9e97077840560738c9a0db56f5bb8a7d458f15edc22d4
Manifeste044d237f27cf7dfb6bf99b363d061ae2ad7cca7a23357febfd3aa6e36defa6d

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
SignatureIHZQKUprdaIMriP/4SGj0dzlZ7FyqtcyEZeeeGiWfacUdvIr3GTLGYf2Ex9cJXetfW+833FlaLaScIyaUZ/zBw==
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

2026-09-17T12:08:36.589008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013666
observed 2fee46df42f544746cd9e97077840560...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:36.569865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013666/manifest.json
observed e044d237f27cf7dfb6bf99b363d061ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:36.550323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013666/publication.md
observed 94c7b6efb925efe74bacc47750d03024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:36.529477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013666/publication.txt
observed 7468b1d62d201f0cf70c00a7777ea15f...
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.