OpenTechnical

OT-2026-000030037

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000030037) never changes.

Identity and time

Publication numberOT-2026-000030037 · never reused
Internal UUID01a0ae73-ac4a-7752-89fc-192878fcaa8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030037
StatusPUBLIC

Content hashes

Canonical text1a730c149aaf60cee124a0d435d06880a980526f16cbca5e7f6d074c4ea36688
Markdown01407c923d821454c31d31a5be4de820bc7aca3a6c612ff1e0902620bd3bc143
PDF
Publication page1ec268799a138352efe5cd4c3902643bba3f8853191578d4df2b7f7b7c3b4a55
Manifest0a8f8bd95bdcd48d0209fd17b8de61b837b237cd71671e22b492dd60be0dd33e

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
SignaturegivBfoessmu3xiRhnc826FHr8k/jRJeFojluoSgXHcr3YcMss6GHuqr0pztk+e7Phqrz8Gl3e1BPIQG4Z8teDg==
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

2026-09-17T11:38:46.512406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030037
observed 1ec268799a138352efe5cd4c3902643b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:46.496752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030037/manifest.json
observed 0a8f8bd95bdcd48d0209fd17b8de61b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:46.481790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030037/publication.md
observed 01407c923d821454c31d31a5be4de820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:46.457914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030037/publication.txt
observed 1a730c149aaf60cee124a0d435d06880...
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.