OpenTechnical

OT-2026-000079083

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000079083) never changes.

Identity and time

Publication numberOT-2026-000079083 · never reused
Internal UUID01a0ae95-ccbf-7b79-8b1e-0a25d653f280 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079083
StatusPUBLIC

Content hashes

Canonical textf20adb5cbd2e7ab7365c0f6ce4e476af50a79964196bfb7285d34a31785c4533
Markdownc2d2d75de93f08cb54b673024684b5dc309b9115506e7d860d4caf4a4e5d50bd
PDF
Publication page683c02efe740ed3c27367f0c9ad2b911b71c768062ae93b0737c7160407edb75
Manifest08628a141965d9b4c08b8de1c4519bbcee852f3a01f411704abb8d339a8baa76

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
Signature4MtTeLSNYnkID+WKD6AprVrPNEIOghb5wWQymDXYNBXySA0NJM2GNHUdHLqflXx7xo5CkzAtNXWa9ZEx21KzAA==
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

2026-09-17T10:05:24.943039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079083
observed 683c02efe740ed3c27367f0c9ad2b911...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:24.923767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079083/manifest.json
observed 08628a141965d9b4c08b8de1c4519bbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:24.906468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079083/publication.md
observed c2d2d75de93f08cb54b673024684b5dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:24.887464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079083/publication.txt
observed f20adb5cbd2e7ab7365c0f6ce4e476af...
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.