OpenTechnical

OT-2026-000043894

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000043894) never changes.

Identity and time

Publication numberOT-2026-000043894 · never reused
Internal UUID01a0ae7b-d678-72e1-99ea-f74558c25bb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043894
StatusPUBLIC

Content hashes

Canonical texte9ebe2ab792332888d5ce5de8245d71a2c2573d806c77064427d9ccd750f3987
Markdownbe1a443bb07fe18b479a269ef5a11e497c8416644f5d688f815f9c6b73be9402
PDF
Publication page3fed4b7d201f2e863f90a77e7e4a061c1e2a46601ab74e277d7a892aa892651f
Manifeste3ae8b4c4288ab6df56c53149365b248593d040900a9095649ee93ca79e5d1d3

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
SignatureiStmd9rzLlN0SeELgxAXu0EggoKlP/bIqlXyrKDYUtnLywrpa99zLQkJOJrVRshYhq1YYYByJ04aJcBVBnYnAQ==
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

2026-09-17T11:12:13.694649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043894
observed 3fed4b7d201f2e863f90a77e7e4a061c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:13.674780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043894/manifest.json
observed e3ae8b4c4288ab6df56c53149365b248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:13.654570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043894/publication.md
observed be1a443bb07fe18b479a269ef5a11e49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:13.637194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043894/publication.txt
observed e9ebe2ab792332888d5ce5de8245d71a...
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.