OpenTechnical

OT-2026-000037251

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000037251) never changes.

Identity and time

Publication numberOT-2026-000037251 · never reused
Internal UUID01a0ae77-7741-791c-a798-c10d4f07bc10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037251
StatusPUBLIC

Content hashes

Canonical text1bb66026b2df338399d800dfe8022a537f35b4176039d66579855c0779ce391c
Markdowna9067d8911c480a6c5ce51397dde92eabf09f457f13a326c1877de81905628d4
PDF
Publication page7cc13833529c4a3c2675b92ff15ea09fb07338b60ecea1590d2c336bfb66b070
Manifest2f565110fb50c81518b072f5697adf89513f7c8edd0491c54e0cd286575a1378

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
SignatureoYYLVReIqXXfekXseqSTnPqMFAqLZCk6zvbBRssXUX8xV4U3OI8Zwl8WDXSkUbMqFxr4fuycDkyedsSHLzDdAQ==
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

2026-09-17T11:25:09.090558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037251
observed 7cc13833529c4a3c2675b92ff15ea09f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:09.074707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037251/manifest.json
observed 2f565110fb50c81518b072f5697adf89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:09.057778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037251/publication.md
observed a9067d8911c480a6c5ce51397dde92ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:09.041348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037251/publication.txt
observed 1bb66026b2df338399d800dfe8022a53...
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.