OpenTechnical

OT-2026-000009173

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000009173) never changes.

Identity and time

Publication numberOT-2026-000009173 · never reused
Internal UUID01a0ae6b-31b9-7e31-9f20-2a524ca979e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009173
StatusPUBLIC

Content hashes

Canonical text39da4a103bdb26df4038129b25d6ccd385838c70126242e7fcd95ac8d597a170
Markdown512b3eb5bc43ba802bb8ec72027a7a09ff3204ed1436688e964d6ae13a417620
PDF
Publication pageaf9750e2624ccc03fa8d86f818182b64f46b7fd3cab7401b42901ba37adacf29
Manifest2eb1743a2609b0089328363f9c515f012145d944aa3088eec6816942f244bc3e

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
Signature8uQeCpdQenzYPKNFn8t8Q5YGXc6GqQi+wVpFuK0/2v9Zr199CJnApXQ/9QKkEiuLJFlQLtag8Gi0qiv1N2qXCA==
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

2026-09-17T12:17:52.834236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009173
observed af9750e2624ccc03fa8d86f818182b64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:52.814858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009173/manifest.json
observed 2eb1743a2609b0089328363f9c515f01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:52.795768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009173/publication.md
observed 512b3eb5bc43ba802bb8ec72027a7a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:52.774673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009173/publication.txt
observed 39da4a103bdb26df4038129b25d6ccd3...
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.