OpenTechnical

OT-2026-000086005

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, sustained 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-2026-000086005) never changes.

Identity and time

Publication numberOT-2026-000086005 · never reused
Internal UUID01a0ae99-e82a-758e-871b-622ddcdf10a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086005
StatusPUBLIC

Content hashes

Canonical text20ad632846c12d5bf6177d518e0ad9c865aca6d4a777209b8f61994c6f8e3e6c
Markdowne37dbd8f0554f13d50d6346f68b8316e76da541bca0a94e61f0b897c5a62ce2e
PDF
Publication page35bee05e95555c733f4a05684dbd8a4e2f175e60ded70d794580f09b38c22d89
Manifest6485846cafaf090aaadfcefb66584e91847efe79c2964faa1652486ca000432b

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
Signature1bd8mMD8DUR2zH8tcijFIm+2f71CiBPzGNwim4wyvZnLTG7HXGTZsQo/SapxO2ClzxGz/PgfgIlq2wgYsdY2BA==
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

2026-09-17T09:52:59.452880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086005
observed 35bee05e95555c733f4a05684dbd8a4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:59.434007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086005/manifest.json
observed 6485846cafaf090aaadfcefb66584e91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:59.415332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086005/publication.md
observed e37dbd8f0554f13d50d6346f68b8316e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:59.398766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086005/publication.txt
observed 20ad632846c12d5bf6177d518e0ad9c8...
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.