OpenTechnical

OT-2026-000006936

Publication integrity record

Vacuum cup gripper, per zone isolation, ejector fed, contact triggered, vented after set down

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-2026-000006936) never changes.

Identity and time

Publication numberOT-2026-000006936 · never reused
Internal UUID01a0a96c-e64b-7414-8cbe-467945888577 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:54:41.485899Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006936
StatusPUBLIC

Content hashes

Canonical text370c5d5161373443ddc146c66643e8841b1971fa33ff832958b3a81a094417ee
Markdownd614f15658e854d537f49ba009190a73492426b87abfe8839daeaff654a5dfae
PDF
Publication page50d4a56eac6fef6832a876fbcd1e23178ec46cbf4202066923a22036ef1899d7
Manifeste03f3a57ce4cb4b9e48b6249f51ce98fae5ddb30681215862f59b0fe1b6714fc

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
SignaturesFBQ9EMn/1Fq70oxvDEuayjiOl/rRBU/e6bhxocWXoVkD8ZpqWB3K6o7ZwYydfsHlIUuPvEDR7bIRfOX4CJsDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:20.197365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006936
observed 50d4a56eac6fef6832a876fbcd1e2317...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:20.183311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006936/manifest.json
observed e03f3a57ce4cb4b9e48b6249f51ce98f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:20.169773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006936/publication.md
observed d614f15658e854d537f49ba009190a73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:20.157098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006936/publication.txt
observed 370c5d5161373443ddc146c66643e884...
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.