OpenTechnical

OT-2026-000041798

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off after set-down, on a tool changer

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-2026-000041798) never changes.

Identity and time

Publication numberOT-2026-000041798 · never reused
Internal UUID01a0ae79-e8a3-7a97-852c-e672cc4f9292 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041798
StatusPUBLIC

Content hashes

Canonical text6d31d0d16243878a5a257c0f2529cbeaa93855d48640e3ac2f74d44e193807ce
Markdowncc36cb993639b6ee489592c12f89d416b5c7458f4de12a516e5c2d998e005b4e
PDF
Publication page1eedac497fcd878eaad72c3556718253bb1acd8b0ed2b7a68483dbc3161b0c42
Manifest78c5e5ab4d60439410273428767e03901a9f1c7c8c35c30ff86feb079b500e0e

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
SignatureV0TeUnQksBgoh1lPle4/S+x2XirxskM2BzEvUy3ZteLigD6xtiXVrfpfC7LAXC28+TZsxIuh5C+1Koh8d0VXCA==
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

2026-09-17T11:16:39.362322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041798
observed 1eedac497fcd878eaad72c3556718253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:39.345714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041798/manifest.json
observed 78c5e5ab4d60439410273428767e0390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:39.329778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041798/publication.md
observed cc36cb993639b6ee489592c12f89d416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:39.312531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041798/publication.txt
observed 6d31d0d16243878a5a257c0f2529cbea...
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.