OpenTechnical

OT-2026-000016017

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000016017) never changes.

Identity and time

Publication numberOT-2026-000016017 · never reused
Internal UUID01a0ae6e-0c4d-72e8-8ed5-13e182f24798 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016017
StatusPUBLIC

Content hashes

Canonical text4448c4d6000d14dd687331b912fdb68ba07b91dfc1c6c87ed24139a65358fe55
Markdownf0c3140209abcae0d7acdc3587a1ac271b8f7afd04e0696558518019f30db6eb
PDF
Publication page6803e8c783fd00335ce18c21b4ff81d8d4f136f9f21e25f4f328999432b2e6e2
Manifest810c7bc5939db83d716532abcf95a54e06fccdc1c44f96e2b8cb729f73031f40

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
SignatureUY9onoNi7VxfEILB0bt8obt5FrRzIFefT/GG700t4JAKmG7/SXkY783GVlEqhnE/k//ZA+2d/bqbz+ARzC3pCA==
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

2026-09-17T12:05:33.598739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016017
observed 6803e8c783fd00335ce18c21b4ff81d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:33.577634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016017/manifest.json
observed 810c7bc5939db83d716532abcf95a54e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:33.557266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016017/publication.md
observed f0c3140209abcae0d7acdc3587a1ac27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:33.535508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016017/publication.txt
observed 4448c4d6000d14dd687331b912fdb68b...
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.