OpenTechnical

OT-2026-000023305

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000023305) never changes.

Identity and time

Publication numberOT-2026-000023305 · never reused
Internal UUID01a0ae70-7268-753b-a438-8d038065ed32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023305
StatusPUBLIC

Content hashes

Canonical text6959e4c3c1baf9ed3935df2e29126409db6355021bd814d204be3591b1ba8d7c
Markdown1f8e440293b242f7ebc601302306a67760ad5954cc7f5adc9f4e558652082424
PDF
Publication page0c6f776adb15f960ff295d21e206080f49ca7fb1728f89fa7b329dd9c9720b73
Manifest51b7bf8982c4acc6c9ed7bbd31ffc1360d3b42f3f143e3dc95119f66ed83ccfd

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
Signaturenv3V7UQ8mhl8CdXPIRk7i+gDSQeMe/IpghZynDO3oatJKkoDnO2dfIHGjq/NrEiTX8kAERqoktY+RFnsXmbHAw==
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

2026-09-17T11:51:23.236151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023305
observed 0c6f776adb15f960ff295d21e206080f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:23.218862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023305/manifest.json
observed 51b7bf8982c4acc6c9ed7bbd31ffc136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:23.202592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023305/publication.md
observed 1f8e440293b242f7ebc601302306a677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:23.183934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023305/publication.txt
observed 6959e4c3c1baf9ed3935df2e29126409...
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.