OpenTechnical

OT-2026-000027391

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, pulsed blow-off before set-down

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-2026-000027391) never changes.

Identity and time

Publication numberOT-2026-000027391 · never reused
Internal UUID01a0ae72-6997-74ef-8cc1-553016d3d494 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027391
StatusPUBLIC

Content hashes

Canonical textcb77bae99a7ee03698938d454958c95b0fde46ca7bd92e93ef6e5714cfc7f100
Markdown34e7652034168e4a55dc3cd4137e15a90e77877d697c369bf01c59a45b897b20
PDF
Publication page3c9848b93f97228de9439f6147bbdbcdd18518e874d400a5a63a075dd56476ce
Manifest409127c360bd5a26ea6c7dd34930f4302ef5aa37db81aadff160f2df75eb8d00

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
SignatureQIOs6OJGHVfdQxyCvNoDtTYj5JKekHHCIoPeVBQaIqHlvwA3wbnx1hH6p3QAkZK7j/v11lL6fIN5tHfyxIn/Dg==
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

2026-09-17T11:42:48.702144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027391
observed 3c9848b93f97228de9439f6147bbdbcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:48.685765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027391/manifest.json
observed 409127c360bd5a26ea6c7dd34930f430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:48.668026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027391/publication.md
observed 34e7652034168e4a55dc3cd4137e15a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:48.627820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027391/publication.txt
observed cb77bae99a7ee03698938d454958c95b...
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.