OpenTechnical

OT-2026-000018664

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000018664) never changes.

Identity and time

Publication numberOT-2026-000018664 · never reused
Internal UUID01a0ae6e-d520-7a8f-b153-34ac8e9458c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018664
StatusPUBLIC

Content hashes

Canonical text8463e5a9c0323116bb17d363840c578aebc8ff2f83c2bc5483ea0dfbe5488eb3
Markdowndb314a8fe1c59d3d1fa91fd9ca0ee4fa4767d213538f93f180b760eabbd87e2a
PDF
Publication pagecc7f5030ed6dbf6232ae1b0d81e755874edb00729dd26cd94f913b2bde988ddb
Manifest1073aeb2eae41db1fc7eb7964a38c6853ff839d16cb0b99e6ad908adb8c207cb

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
SignatureW73Tc3cPqLOzbyqV3mh0EZCNjkoxvYa0piRO0LVtMbFIa0Mk3VV53sDTyRlaqwYyC57BEpDQtolK113pomgUAA==
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

2026-09-17T11:59:05.561785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018664
observed cc7f5030ed6dbf6232ae1b0d81e75587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:05.543826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018664/manifest.json
observed 1073aeb2eae41db1fc7eb7964a38c685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:05.524818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018664/publication.md
observed db314a8fe1c59d3d1fa91fd9ca0ee4fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:05.505111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018664/publication.txt
observed 8463e5a9c0323116bb17d363840c578a...
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.