OpenTechnical

OT-2026-000011184

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, vented after 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-2026-000011184) never changes.

Identity and time

Publication numberOT-2026-000011184 · never reused
Internal UUID01a0ae6c-540f-7737-92d3-3cb9c7c3cf47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011184
StatusPUBLIC

Content hashes

Canonical text14f493a1a629dba7d2e8b73fbdf229ba87e107e8995dce269d8ede3293a8ce87
Markdown77363cb43bb02f2416a3ec6eecd7c714592429546b55b4f50fbf5c52e407c1f7
PDF
Publication page52f5d551dddfe0b9381d57ef54cd724b9eb39ed8877f594771ea2c7ad5d9543d
Manifest4bd97e34267ba96b20e9234488669c1eb2ffadfa05ba010cbd373b0a7256b8fb

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
SignatureiTgjCeQKwgrMNiWpzcFR+GTBJF8qXeERfw8nQhCviS+cl2UzrkIiWmmXKIL52w9ETEzHP/YQgz9wex1WRVjCDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:14:07.598500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011184
observed 52f5d551dddfe0b9381d57ef54cd724b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:07.577418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011184/manifest.json
observed 4bd97e34267ba96b20e9234488669c1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:07.558183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011184/publication.md
observed 77363cb43bb02f2416a3ec6eecd7c714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:07.538869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011184/publication.txt
observed 14f493a1a629dba7d2e8b73fbdf229ba...
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.