OpenTechnical

OT-2026-000044134

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000044134) never changes.

Identity and time

Publication numberOT-2026-000044134 · never reused
Internal UUID01a0ae7b-d67a-728a-a15e-6af3204fbf61 · 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-2026-000044134
StatusPUBLIC

Content hashes

Canonical text3716f36e44730c009d840fbf650ea3a83ef2dbbc7616bf8612e3603252a779eb
Markdowne696131dcf3ec1afac9a55ffdd8d63ba98fd589404e1852b592cf16ba4bbf3a0
PDF
Publication pagebc4e08c91da5ce74f743baf663e4d8d8777a9d8adb343ac6b9e322ee57486192
Manifestd9ef3420c19afadb748051dd3e27657602b4794a708986ffbf698dcdab24bc5a

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
SignaturesWaO6U0FQF1BqihLV5eNJ8k7ZUyVLXfsWjZHn4/e9JAClrAkUt12sJ9lD6rXY8tD+ylsB0JQW8NPyYlAdIQBBA==
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

2026-09-17T11:12:33.237030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044134
observed bc4e08c91da5ce74f743baf663e4d8d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.219219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044134/manifest.json
observed d9ef3420c19afadb748051dd3e276576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.200444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044134/publication.md
observed e696131dcf3ec1afac9a55ffdd8d63ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.181755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044134/publication.txt
observed 3716f36e44730c009d840fbf650ea3a8...
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.