OpenTechnical

OT-2026-000018897

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000018897) never changes.

Identity and time

Publication numberOT-2026-000018897 · never reused
Internal UUID01a0ae6e-d522-770b-a022-21ab16dff2ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018897
StatusPUBLIC

Content hashes

Canonical text05c69038128d2cc4b066c1cc26631b20a74b3597ca38bfdcbe36e9e19c129951
Markdown44765fc598cf0e1f52677fba8310c9fda60697ef28bd4c1a65638831916c552c
PDF
Publication page1f8bc8daca05a3918bd92eaf4b4f23e91be558ba859a57c81f4d5242f1b4f1e8
Manifest48e4bf18dc2d2cead01e2788333cd5ae40705280f8f3db403a3e73e3fea7ee8f

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
Signature/wmKmDtzgoxP3PjjMCmLhf6Ud/mlWmLan7hjkeaCcf/mDyNqWQH7s8IH0JCEzIJt/u0iifBJEiekh8eyRNHTBA==
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

2026-09-17T11:59:33.142132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018897
observed 1f8bc8daca05a3918bd92eaf4b4f23e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:33.124961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018897/manifest.json
observed 48e4bf18dc2d2cead01e2788333cd5ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:33.105571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018897/publication.md
observed 44765fc598cf0e1f52677fba8310c9fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:33.088146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018897/publication.txt
observed 05c69038128d2cc4b066c1cc26631b20...
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.