OpenTechnical

OT-2026-000009434

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, vented 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-2026-000009434) never changes.

Identity and time

Publication numberOT-2026-000009434 · never reused
Internal UUID01a0ae6b-7562-7d53-acb8-55342ea78eb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009434
StatusPUBLIC

Content hashes

Canonical textb7b840e310911e465915aa96140b675170a777facbd1940e1f477dc99f66aaa2
Markdown20ce618045130d8469b49ca2f102f6699a5ff2ab50c414298e4d0ed9f7597773
PDF
Publication pageb411a151510e3582df9766f31b4668e169121ea9a2e6a3b8b0fcb8ffe26a59ff
Manifest76d7d5fa98fc41e5f4485109918683031aa98e098423a3cde66a28b744c3a3ea

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
Signaturengx+nonkpNhuZDH4hrGukdDY2pv87kL4cTAGIc5Kq1kMSSdqnMy8j5fzP6Cy7UPxAq9HgjyAEzpPzGeIE0K3Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:43.487538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009434
observed b411a151510e3582df9766f31b4668e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:43.470536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009434/manifest.json
observed 76d7d5fa98fc41e5f448510991868303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:43.453455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009434/publication.md
observed 20ce618045130d8469b49ca2f102f669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:43.434626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009434/publication.txt
observed b7b840e310911e465915aa96140b6751...
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.