OpenTechnical

OT-2026-000085657

Publication integrity record

Two cup vacuum gripper, two zone face, pump 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-2026-000085657) never changes.

Identity and time

Publication numberOT-2026-000085657 · never reused
Internal UUID01a0ae99-aaad-7e78-84d3-f6a7cfc3516c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085657
StatusPUBLIC

Content hashes

Canonical textf436185ba12a36a862dac37bd903f4e9b5aa6bdde9c27c0503b671aca8485267
Markdown5b35d2a13328776130bf4e16ddb563255ecece42f8e0831bd9fc4ea6757e5aa5
PDF
Publication pageb58ae50ab9b41cddeff06117051d63ea83f32fac7c5f520d01c33044e77f3274
Manifeste293810d6cbc9dad1f0e776b03c268da8de23ebb345b01fbb2dc3543e1e20a27

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
SignatureH8BtwhL/8Lg1Grf72bWeaKoPUbCUwi2wB4vjagiwyZgYdTrmDHJ7zuK3RfXz0kRFJWvsEzD+ocX1ilCNEDB4Aw==
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

2026-09-17T09:54:32.885534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085657
observed b58ae50ab9b41cddeff06117051d63ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:32.867518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085657/manifest.json
observed e293810d6cbc9dad1f0e776b03c268da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:32.849238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085657/publication.md
observed 5b35d2a13328776130bf4e16ddb56325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:32.830138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085657/publication.txt
observed f436185ba12a36a862dac37bd903f4e9...
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.