OpenTechnical

OT-2026-000085931

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, sustained 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-2026-000085931) never changes.

Identity and time

Publication numberOT-2026-000085931 · never reused
Internal UUID01a0ae99-e82a-7230-a044-3a5e300f4259 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085931
StatusPUBLIC

Content hashes

Canonical textfaa9543c55ce1b2c1d67495e312ef45e2d8cc76ec36635ac11e7161963c1f794
Markdown5e538f5d4662fe73bc054e5c1a0645082998e49e4eefdf8a591146feeae31a1d
PDF
Publication page1461f6bcbb449d4c1639e046adf1e97a7081be1c729dc4e94e979fb7f498da82
Manifest1c877359699c896e07858365276f8dbbd2d52842881c5384946b5ecacad90797

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
Signatureo90gVS6esM71OWwAGI83dtzXCowqSP1u8D18wp5EFEMU5j7HwqzGr0ISDez9DK3d2lRdBPmr4+J0W5AU/uiOCQ==
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

2026-09-17T09:52:53.096681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085931
observed 1461f6bcbb449d4c1639e046adf1e97a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:53.080588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085931/manifest.json
observed 1c877359699c896e07858365276f8dbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:53.063663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085931/publication.md
observed 5e538f5d4662fe73bc054e5c1a064508...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:53.046875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085931/publication.txt
observed faa9543c55ce1b2c1d67495e312ef45e...
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.