OpenTechnical

OT-2026-000009740

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000009740) never changes.

Identity and time

Publication numberOT-2026-000009740 · never reused
Internal UUID01a0ae6b-7564-7d9e-bdd2-de7210766649 · 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-2026-000009740
StatusPUBLIC

Content hashes

Canonical texte2b97cb502b3ebfcc80d6cb90b8fc6fa2e3b684b18d9408fd03983882c6b88a8
Markdown69ffbcfe64b99f3bc3de596536ad24383a91f138b56b82b1ae1dec914ad27777
PDF
Publication page29fe9a2c0b1c29a6b0d20b9aa4dfb1dea7063a22e52fbaa10606d80cb15e00be
Manifest1569753afdf514c4ff80b88fdcb09aae262fafaa20bde7e3181c1058afba8016

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
Signature9k1s/sBNHiNEzkmohLGPq4nXGfXus06s48YjB0V9v27Eg296i8o5b8ykydEG9SEoU4wWDJmyv5H2Osz2dzrpAg==
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

2026-09-17T12:17:14.599295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009740
observed 29fe9a2c0b1c29a6b0d20b9aa4dfb1de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:14.571915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009740/manifest.json
observed 1569753afdf514c4ff80b88fdcb09aae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:14.552757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009740/publication.md
observed 69ffbcfe64b99f3bc3de596536ad2438...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:14.526163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009740/publication.txt
observed e2b97cb502b3ebfcc80d6cb90b8fc6fa...
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.