OpenTechnical

OT-2026-000017226

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000017226) never changes.

Identity and time

Publication numberOT-2026-000017226 · never reused
Internal UUID01a0ae6e-76c8-7f3c-98f6-ee1856192a25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017226
StatusPUBLIC

Content hashes

Canonical text5923135974dd72762e9f17bf6f14faf58ca84d99d2eb339345f7ab52cb9dd724
Markdown9eabc318735389952613473675c4e5f7bf06004c4647eb82a5fef25a470a3d32
PDF
Publication pageb74e353a020e2382b6ed852e7ccb59612da77ee0b1d3a82b891f567d3e85b293
Manifestaa8173c60aea3952d0f756d144f0bcb3232a64d51f41383113c9098c1d309a5f

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
SignatureuSgujB7mCukgdyQh8udE831GwnqWJFT+tWZysi6PDa3eQfSJTn37TFMbKuJ7+OC7EHJk+K9y5dvLV7+NiR+4Dw==
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

2026-09-17T12:02:18.373475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017226
observed b74e353a020e2382b6ed852e7ccb5961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:18.356654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017226/manifest.json
observed aa8173c60aea3952d0f756d144f0bcb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:18.341660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017226/publication.md
observed 9eabc318735389952613473675c4e5f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:18.324400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017226/publication.txt
observed 5923135974dd72762e9f17bf6f14faf5...
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.