OpenTechnical

OT-2026-000043389

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000043389) never changes.

Identity and time

Publication numberOT-2026-000043389 · never reused
Internal UUID01a0ae7b-327e-7f20-a2f9-5502fe9064f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043389
StatusPUBLIC

Content hashes

Canonical textcf17dc9ed38e863f6327e3607dd2470f6df57e2cf92be088c793012321f67086
Markdown236416866fe23a677a479eb97b65f7ac203d7784a09e24c4e8e0f87e131f3d0c
PDF
Publication pagea3497f0aa470e30e7178bfb4436301eb591fe8d3a014e68d4a35d5d0e3ecd94e
Manifest43fd58a2e0abbd05d33b7a1d98f711bf6ad8e25f1ac071f886d1443d5b567a06

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
SignatureMgHie9D0VeevKmNX3WRPhkcmtOb8bmI4w19HPtejljimfE2QmuKPNp3WJOTK/PcmJp9YDcDQzAmH2XJdZFiEBQ==
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

2026-09-17T11:13:55.276439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043389
observed a3497f0aa470e30e7178bfb4436301eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:55.256798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043389/manifest.json
observed 43fd58a2e0abbd05d33b7a1d98f711bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:55.237304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043389/publication.md
observed 236416866fe23a677a479eb97b65f7ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:55.218773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043389/publication.txt
observed cf17dc9ed38e863f6327e3607dd2470f...
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.