OpenTechnical

OT-2026-000069221

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000069221) never changes.

Identity and time

Publication numberOT-2026-000069221 · never reused
Internal UUID01a0ae90-b528-78d6-8969-c28ebeec6b8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069221
StatusPUBLIC

Content hashes

Canonical textb41bec1b1c2605a714db3f64a834d76b7c9aa08c59274e82ddf689f3054914f3
Markdown25721e49401dca52f3a5e35d6a78a2135e21af5122de0ad536160e60d35060c4
PDF
Publication page3b7a923376bbfd72595fb662fac823513f152ef0cc9509cbf1cb19ca81ff7e6b
Manifestbbe6915e57b553f72d533f9a7057cf4ba3c2714c59d20d774fad7dcceb62f61a

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
SignaturecT73at7LDGwuPq+OVyRByDk4JomGI/QR2rNfqme6iofbmfihS6YS/udP7BCjoR31R9mAaw1tAyvyEsRtHcvaDA==
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

2026-09-17T10:27:17.211761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069221
observed 3b7a923376bbfd72595fb662fac82351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:17.194330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069221/manifest.json
observed bbe6915e57b553f72d533f9a7057cf4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:17.175985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069221/publication.md
observed 25721e49401dca52f3a5e35d6a78a213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:17.157964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069221/publication.txt
observed b41bec1b1c2605a714db3f64a834d76b...
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.