OpenTechnical

OT-2026-000026850

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000026850) never changes.

Identity and time

Publication numberOT-2026-000026850 · never reused
Internal UUID01a0ae72-3452-7f4f-aaba-beb28eca4f31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026850
StatusPUBLIC

Content hashes

Canonical texte4e439a276001d7d7ce6af10a10a136d2f57583a058e13271d82680e73062333
Markdown68e8ec264ab3a0c5865a225866c2279ff68b8274eba729d53389f2bbc2533ce2
PDF
Publication page960e95fa7c62fede777b98ae5db1f35a5dfb1827891865581f80435c74abd728
Manifestff091cdc358a5e32073fac39daa442a80d973b0f06bf500f9e54ae9d2d7b1759

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
SignatureFBdwj9lKrIO4IZLHIPO7QAxKcMKzL5QrTZc1YQVGWXSIuYxjh6qbobaDgfs3bhLvx41elqNssVq1oKU8wT9lDA==
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

2026-09-17T11:43:26.766120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026850
observed 960e95fa7c62fede777b98ae5db1f35a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:26.749050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026850/manifest.json
observed ff091cdc358a5e32073fac39daa442a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:26.731353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026850/publication.md
observed 68e8ec264ab3a0c5865a225866c2279f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:26.711359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026850/publication.txt
observed e4e439a276001d7d7ce6af10a10a136d...
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.