OpenTechnical

OT-2026-000070551

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, 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-2026-000070551) never changes.

Identity and time

Publication numberOT-2026-000070551 · never reused
Internal UUID01a0ae91-5460-7afb-9cbf-cbb11a4eb6b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070551
StatusPUBLIC

Content hashes

Canonical text65044c3a237ba46d1d7f40b98eaeb0028394dd85b3c25eb5b2c6bc78299b84cd
Markdowne598a176ff298463a0033c93106df804ba590a0b6a0c276723a385581347c378
PDF
Publication page382e76c0a096c3a424f909558b5f6321edadbb0c727aed8aa6fa1cc339b9d655
Manifestab0395719f8dd6a6f276a48d84edb99ecf8cd755aa7a45f3f6d5ffbc992de08b

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
SignatureFzyk7BBLPqGM/N8AbhD+5lHbKxo+K9V0XAgY5eZJhRxD0c1tmE+l/HkQSDLqeCwR8q4+6UiyKJBJwrq0cHNaDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:23.961885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070551
observed 382e76c0a096c3a424f909558b5f6321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:23.942295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070551/manifest.json
observed ab0395719f8dd6a6f276a48d84edb99e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:23.925685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070551/publication.md
observed e598a176ff298463a0033c93106df804...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:23.908225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070551/publication.txt
observed 65044c3a237ba46d1d7f40b98eaeb002...
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.