OpenTechnical

OT-2026-000040998

Publication integrity record

Foam pad vacuum gripper, 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-2026-000040998) never changes.

Identity and time

Publication numberOT-2026-000040998 · never reused
Internal UUID01a0ae79-b10d-74e8-b29a-03ab23ffe2a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040998
StatusPUBLIC

Content hashes

Canonical text9aff8c042acbeba98eb56072a0230dfe07374aa1e9a9914a2b9f71f7b1789720
Markdown9aa0d95fc4a9ed87751464c16529d1334d80df427157d3d701b20174537ba1e4
PDF
Publication page13c320add35eedba78d0937d7b13177613bfa2b02ecd11b7119f09c22aeb58f4
Manifest335f27e88e0bba04e5ee5591499a16d88fc2459972d2aa09fd1569106737d9e2

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
SignaturenaaBNnzkcGpbbD0iqfKTif50qp8mMUSXPUu+E8mm7Y3fWXaVYreKJnF9ZoGcTCdH2eUfzYw4ckr8rm4tV9qJBw==
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

2026-09-17T11:16:54.160488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040998
observed 13c320add35eedba78d0937d7b131776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:54.144819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040998/manifest.json
observed 335f27e88e0bba04e5ee5591499a16d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:54.127255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040998/publication.md
observed 9aa0d95fc4a9ed87751464c16529d133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:54.109142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040998/publication.txt
observed 9aff8c042acbeba98eb56072a0230dfe...
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.