OpenTechnical

OT-2026-000072435

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line 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-2026-000072435) never changes.

Identity and time

Publication numberOT-2026-000072435 · never reused
Internal UUID01a0ae92-89d7-7ba2-99ba-46148ea64dbc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072435
StatusPUBLIC

Content hashes

Canonical text226923a0b1c52a22644c348e8cf3ffbc098ed6a8f92b11a6c2c7a92d4b6829cb
Markdown0882c633dbe9aff2eaf95facbfc85d321299035bb3c77ca874619879e75c3302
PDF
Publication page8dc30b5f1e6e1e92bcbd22229334bcb8e72e84a7a4d357548f814d96c7c074f0
Manifest6e9c0e1913ce8f007f8a74d1fd0afcb306c0be1e585f9f529f430dcd2063347d

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
Signatureltd9Y6P4EWVIvm16XQpPdnG2udlP7hst63VbY6bCcctKrNIi2fVQfb5Xcwd+5IItQmVo8ZPRxgzlf9JrnT2LDQ==
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

2026-09-17T10:22:15.078884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072435
observed 8dc30b5f1e6e1e92bcbd22229334bcb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:15.060600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072435/manifest.json
observed 6e9c0e1913ce8f007f8a74d1fd0afcb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:15.040874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072435/publication.md
observed 0882c633dbe9aff2eaf95facbfc85d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:15.021984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072435/publication.txt
observed 226923a0b1c52a22644c348e8cf3ffbc...
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.