OpenTechnical

OT-2026-000043733

Publication integrity record

Six cup vacuum gripper, six 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-2026-000043733) never changes.

Identity and time

Publication numberOT-2026-000043733 · never reused
Internal UUID01a0ae7b-d676-78f7-986e-4ad225c111bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043733
StatusPUBLIC

Content hashes

Canonical textce7c1ad604a6fdaee219244b8c6a2364013002289acb9c550eaa0f3895e2d95d
Markdowneb646ecdc03ef5a228220725d3cbf27c764f33080a81ff0d8928d00982c1f77b
PDF
Publication page3cad9b9362d0f74dc074dd6c6a239e8041b371b96d504b3d0123e0f252a24f71
Manifest683b469d9d4932ff064563fe1a0eddba04522fdc5d32e09c2af397d1eadb30e9

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
SignatureGIVCIPh6pOM7knCbl1Bqsy8JkLm6E1DAyih6BKKvEgrGYeDPbdvLFPheV5NdE/nQoLCwHr8sjG9G+Ca3mXP2CA==
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

2026-09-17T11:12:00.450074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043733
observed 3cad9b9362d0f74dc074dd6c6a239e80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:00.429234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043733/manifest.json
observed 683b469d9d4932ff064563fe1a0eddba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:00.408855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043733/publication.md
observed eb646ecdc03ef5a228220725d3cbf27c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:00.389433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043733/publication.txt
observed ce7c1ad604a6fdaee219244b8c6a2364...
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.