OpenTechnical

OT-2026-000040665

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, sustained blow-off 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-2026-000040665) never changes.

Identity and time

Publication numberOT-2026-000040665 · never reused
Internal UUID01a0ae79-6d0e-7de9-a15c-ff4c220912c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040665
StatusPUBLIC

Content hashes

Canonical text3b623ccd7db054f6debe37684233dbd6f07501b20c6dda9b5dfac1d20cbecbdc
Markdown49446f71ef872ab7d92bf1c594f1eb56707bbe59093585c5cf40600d3bd7348a
PDF
Publication page7a1a2546b62a4a3aa48b5f33600905040390d64271385afc485143975dc579b8
Manifestcba5041ea30f1bb39928b0c93c4b4d5d959054f6a576875c31e9451f05847bd6

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
SignatureD5ITx/YSqAStAKObuT3D2NhZTCITpWjfIjXAEnv5LclvRLvgnB25Lv5TKKuVMsgV+kW0vQ0cpeAS3MCa249ZCQ==
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

2026-09-17T11:17:51.425511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040665
observed 7a1a2546b62a4a3aa48b5f3360090504...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:51.408918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040665/manifest.json
observed cba5041ea30f1bb39928b0c93c4b4d5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:51.390974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040665/publication.md
observed 49446f71ef872ab7d92bf1c594f1eb56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:51.375380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040665/publication.txt
observed 3b623ccd7db054f6debe37684233dbd6...
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.