OpenTechnical

OT-2026-000050135

Publication integrity record

Two cup vacuum gripper, two 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-2026-000050135) never changes.

Identity and time

Publication numberOT-2026-000050135 · never reused
Internal UUID01a0ae82-5c45-7514-ac80-81c0c758af4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050135
StatusPUBLIC

Content hashes

Canonical text6ddfcb022d4bf6e2ab982805a0da7c37a35d9b7047860703fffa71fe33fecff9
Markdown4aa4efcffcf8994eaf1d30af1df440801c4349a4187ea507eada5deb77632ce6
PDF
Publication page724b935a08a8658977421ddacf559666e54da0f2757a1a78c4e70bb517597e6e
Manifesta842e6d8240c3e7e2bb1a692ed51970040e181a7fbc45e67366c05ea867679ff

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
SignatureZgRcvWKxPPLVreJAUIWD88fd51U03agcpXpJGrr9PlqKMwmBXW8hksp/a0WJ8lFeHqNarY6e6umidluepWUvCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:06.226961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050135
observed 724b935a08a8658977421ddacf559666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.210087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050135/manifest.json
observed a842e6d8240c3e7e2bb1a692ed519700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.191103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050135/publication.md
observed 4aa4efcffcf8994eaf1d30af1df44080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.173117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050135/publication.txt
observed 6ddfcb022d4bf6e2ab982805a0da7c37...
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.