OpenTechnical

OT-2026-000090151

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000090151) never changes.

Identity and time

Publication numberOT-2026-000090151 · never reused
Internal UUID01a0ae9c-428f-7ef5-ac99-826f15c627ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090151
StatusPUBLIC

Content hashes

Canonical text73f0025a723d2f137fe7d6f894983e206c9ff7e5af29784b44c9b3aa5de8744e
Markdownaa2345ab99e8c314f29891fb21d79535384c51b21beff0f11251595923ef07ed
PDF
Publication pagefcc7c1f9a77e95f76089ac422cb101aa179c1340348d520e8a7f33fecc9393ac
Manifest335e3c1638f5ee4950ba1f5432cbe681234b93fa5034b65531ac50c2d344ff04

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
SignaturenrvgHcfo/RtePbenM0ibFndyxOYwDq7XAT5PV0l+RJD2WY5v8anNN1fiYhGu+6T16/d46kJDzJRFMEqynDFWCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:45:39.851302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090151
observed fcc7c1f9a77e95f76089ac422cb101aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:39.831902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090151/manifest.json
observed 335e3c1638f5ee4950ba1f5432cbe681...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:39.811860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090151/publication.md
observed aa2345ab99e8c314f29891fb21d79535...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:39.791845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090151/publication.txt
observed 73f0025a723d2f137fe7d6f894983e20...
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.