OpenTechnical

OT-2026-000010129

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000010129) never changes.

Identity and time

Publication numberOT-2026-000010129 · never reused
Internal UUID01a0ae6b-cb7a-72a3-9961-7f16c8488b6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010129
StatusPUBLIC

Content hashes

Canonical text8e64a91b0bb21a7ffb3f95a85ae94093c3eb92bd93f841172380168b7ba3ec82
Markdowncbd17ca73fa9f4564f2a177c25d70ff23e682c99627ca2d5906b9e3892593d09
PDF
Publication page9c843af9fb4145f2cab7ae3880f99fd04293517bc1ab444eebe231f0462c61aa
Manifest7124005c2168a5d153634c423bca1315286d5fb567a63d210000de11d8edbb38

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
Signature9K2QikB8mVVqqdwQLfbhw/Anfcg3VOHycRGAVv5QTx5mFhJ+aPJ5hmrXwFiB+uYUIBYHrV3tUb6H/ktKzMvzDQ==
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

2026-09-17T12:16:13.509427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010129
observed 9c843af9fb4145f2cab7ae3880f99fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:13.488244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010129/manifest.json
observed 7124005c2168a5d153634c423bca1315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:13.469307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010129/publication.md
observed cbd17ca73fa9f4564f2a177c25d70ff2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:13.450192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010129/publication.txt
observed 8e64a91b0bb21a7ffb3f95a85ae94093...
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.