OpenTechnical

OT-2026-000017155

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pulsed 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-2026-000017155) never changes.

Identity and time

Publication numberOT-2026-000017155 · never reused
Internal UUID01a0ae6e-76c7-7435-a590-e5ddb062e4f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017155
StatusPUBLIC

Content hashes

Canonical text2e0a1e8e972fbbc858e4fe35b11cc9d09531dc31d609dc7d186925bbd4dbe4a3
Markdown82ffd19b7a9f943bf616045fbeaffdca72684f4fd542aca9286643855331a8d1
PDF
Publication page69dfa1fee1daa27ee03231976f47cfc5fd7501c81c454f4d2c47212dfa2e9561
Manifestdd3dbf8ab9761d6252751abb56adc9dd8d99f5e93b8f594af2706f308673a10e

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
Signature+AsaRH77nMQa75nB3sfN/DpRU6hvllOlzXzUTQbfvP/1bnvjJRN1aLoFk6BRxVDWo3MgSljjnaz3uMsk1wN4Ag==
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

2026-09-17T12:02:13.009782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017155
observed 69dfa1fee1daa27ee03231976f47cfc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:12.990988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017155/manifest.json
observed dd3dbf8ab9761d6252751abb56adc9dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:12.973379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017155/publication.md
observed 82ffd19b7a9f943bf616045fbeaffdca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:12.954882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017155/publication.txt
observed 2e0a1e8e972fbbc858e4fe35b11cc9d0...
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.