OpenTechnical

OT-2026-000044619

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold 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-2026-000044619) never changes.

Identity and time

Publication numberOT-2026-000044619 · never reused
Internal UUID01a0ae7c-39d9-7051-bda9-b035958ef7e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044619
StatusPUBLIC

Content hashes

Canonical text7d2fd06b1a2b6fe266df21ba35ef681637d455b53dc3eaff4ec2abe2b1a3ed11
Markdownd65192adde5d50daa56b3b0da5414c8a6153eb8e1ab6dc8e08eca636ac4d1c79
PDF
Publication pagef38a28d516c077f64fa9f085d9af24c02490c295ff42941af625ad2c7a0b8b76
Manifest32d742fca99f26c04aa091234886a19aa16ba37019151bec5780d7148414931f

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
Signature8bPH8aM+Lii0dXG3C4XyX3IEgSDGTvicGwPvWuMhg5us6DPPTYPO8Q6+HusgNHe4PWFFQHx6wVtJBPMQHr6VBQ==
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

2026-09-17T11:11:51.273258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044619
observed f38a28d516c077f64fa9f085d9af24c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:51.254801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044619/manifest.json
observed 32d742fca99f26c04aa091234886a19a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:51.234544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044619/publication.md
observed d65192adde5d50daa56b3b0da5414c8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:51.211540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044619/publication.txt
observed 7d2fd06b1a2b6fe266df21ba35ef6816...
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.