OpenTechnical

OT-2026-000086192

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000086192) never changes.

Identity and time

Publication numberOT-2026-000086192 · never reused
Internal UUID01a0ae99-e82c-7780-8c3b-197ba9dfe0de · 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-2026-000086192
StatusPUBLIC

Content hashes

Canonical textde0c7ed2beb0af36b54dbf90c323a27c29aee43b45dd9869d869296990601ca4
Markdown9e0bdb95ef0c741ba833b70b2ecbf8ecbfd107c26a66153308852482f011ec7c
PDF
Publication page3dd46cf0e30b945a6aed96e0815f84563aeac2152b2a4ea2405b09b9f7646a8c
Manifestd0f63dac624aa92656bfefa91a8529bdb42c40ea030e56507d9f4ac3074c5127

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
SignatureiYifKdokDs/EHrUpEeOBLWWSu0zKbpfocV1uoBp7hgy7PArrzsWUvmB4dCnf9a+0yM+YpA0OVV4UyG9V64JVDw==
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

2026-09-17T09:53:52.266164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086192
observed 3dd46cf0e30b945a6aed96e0815f8456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.245665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086192/manifest.json
observed d0f63dac624aa92656bfefa91a8529bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.228129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086192/publication.md
observed 9e0bdb95ef0c741ba833b70b2ecbf8ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.211158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086192/publication.txt
observed de0c7ed2beb0af36b54dbf90c323a27c...
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.