OpenTechnical

OT-2026-000077573

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000077573) never changes.

Identity and time

Publication numberOT-2026-000077573 · never reused
Internal UUID01a0ae95-2ece-7a28-a975-d35ecf86670e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077573
StatusPUBLIC

Content hashes

Canonical text5e0f8ea4e2cdfe7fcefa19671f04a4c9406ca95af6fee4a277712f6688e35220
Markdown225169806db7a93158d6b74ec0e80b98b49f0ad10a3937f69bb4b07bc3500db8
PDF
Publication page8535b45642889e4061ed297f7102ae9f96e346d2cc94047389de1fddbdf0b032
Manifest96cf550a815b413c2563b65b21582f290c2890b579e43ca548c7c96860ac5fbf

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
SignatureLFY93AcTIejaCBkjNeiIpVCHT0aNLOiBV4upVmShT4tJGwh1yO9tyNXEyXpvZJcvbb1M1NszprEeUxQZU2dxCw==
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

2026-09-17T10:07:03.177096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077573
observed 8535b45642889e4061ed297f7102ae9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:03.157990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077573/manifest.json
observed 96cf550a815b413c2563b65b21582f29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:03.139221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077573/publication.md
observed 225169806db7a93158d6b74ec0e80b98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:03.120506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077573/publication.txt
observed 5e0f8ea4e2cdfe7fcefa19671f04a4c9...
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.