OpenTechnical

OT-2026-000018461

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold 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-2026-000018461) never changes.

Identity and time

Publication numberOT-2026-000018461 · never reused
Internal UUID01a0ae6e-b48a-7c36-8589-066e5e39a76d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018461
StatusPUBLIC

Content hashes

Canonical text496626e501332187d9b7dbece699b7ea72a1cb1e40ddf9872055ef0fa09ff4d0
Markdown2b4101bf9237a169cb1f62606cef634408d78f949d50fe6fb47cca35f0ed6a06
PDF
Publication pagefbce9a63bf7a88b572db24ab9bf0f380881b094bdc84984fb61cae7e247885a1
Manifestdc94465bcf222139049b7a3f6179277039f802b66e3d80bef5e190e3fc093f7d

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
SignatureKtye1QsxPv5KJhbUY5djyh2bbJqg2VuWRZDztI+11xAdK9XY25xZ9STvj/qJBY/RnUZKuWrvelh14SdUJJ6jBQ==
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

2026-09-17T12:01:13.435072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018461
observed fbce9a63bf7a88b572db24ab9bf0f380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.417617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018461/manifest.json
observed dc94465bcf222139049b7a3f61792770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.398487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018461/publication.md
observed 2b4101bf9237a169cb1f62606cef6344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.381668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018461/publication.txt
observed 496626e501332187d9b7dbece699b7ea...
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.