OpenTechnical

OT-2026-000050555

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000050555) never changes.

Identity and time

Publication numberOT-2026-000050555 · never reused
Internal UUID01a0ae82-5c49-7840-8b43-14b3d860f485 · 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-2026-000050555
StatusPUBLIC

Content hashes

Canonical text206526a112fa1033a38e104a1e5fc90db03bee4700c649ac9c2e908a69045819
Markdown06cd8efec769ab5f56406725eaef8ab7ce98f6b7d8ea2eb063b1ef8964c5d873
PDF
Publication page9b01f5db70f214bb1183d6f9e29e65ade96ffbb854fa84f473f5656632d08d75
Manifestef678cae4bd91829c0b70d7e487ad1084ab942c7a15e70c57398f7a6f708d089

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
SignaturewJw9EMD7k9bkPAQIeyCMGbD0R9XSx10mYsWF2qYJ9rFYszzssHivlwt8XqVvkp2fA9QUACUA2dWeo/pVDiA8CA==
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

2026-09-17T11:01:39.216351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050555
observed 9b01f5db70f214bb1183d6f9e29e65ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:39.200663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050555/manifest.json
observed ef678cae4bd91829c0b70d7e487ad108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:39.184909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050555/publication.md
observed 06cd8efec769ab5f56406725eaef8ab7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:39.160589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050555/publication.txt
observed 206526a112fa1033a38e104a1e5fc90d...
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.