OpenTechnical

OT-2026-000022526

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained 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-2026-000022526) never changes.

Identity and time

Publication numberOT-2026-000022526 · never reused
Internal UUID01a0ae6f-f4fe-7b3e-b9a4-bcd2d3825ef0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022526
StatusPUBLIC

Content hashes

Canonical textc1157afa7a0f0f16973214a51c2b2bd17af17662abdf1f24b3d84dff44a1ace4
Markdown827b298d97ac778960085b6611b5803e8de3245dcbdbb3b9aff52e30c7dd64ec
PDF
Publication page6f01da79d90d5cdd709e223ec5b47972d85e5f8a636024e4ec60b068b42fb709
Manifestb1f0f18930cc0bb488d97c7c8fa25c4ece2858c934f5a04456d03288f6fd8e0f

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
SignatureA3oIjXHrTgHYI8vNHenNsP5bZhT4xvIqb8qf/NTBEW0jZVAD/d2KHi1jOaHmoNArtxN3e9DLR7dTlqb49p7nDQ==
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

2026-09-17T11:53:57.485524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022526
observed 6f01da79d90d5cdd709e223ec5b47972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:57.468163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022526/manifest.json
observed b1f0f18930cc0bb488d97c7c8fa25c4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:57.448835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022526/publication.md
observed 827b298d97ac778960085b6611b5803e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:57.431095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022526/publication.txt
observed c1157afa7a0f0f16973214a51c2b2bd1...
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.