OpenTechnical

OT-2026-000013672

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000013672) never changes.

Identity and time

Publication numberOT-2026-000013672 · never reused
Internal UUID01a0ae6d-8de8-73c0-a0e7-3ceec83e9092 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013672
StatusPUBLIC

Content hashes

Canonical text240df20853aa846800d7cc76c73f965d6a1cfbd489c0aa35088de49f0f74a07e
Markdownf3a56ddda158c45e5d4a86435cd6ce3ca0b4d039744d4c30a813ca776224fefa
PDF
Publication page5b08f98078492f3da3c8985b34412a5ab3a73c177a4907379c49a7132d3bf887
Manifest3e5212e31a8e11072297e06e34bb8b5843314cb311ee61ec5595d796b143d512

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
SignatureOfVHrK3erElq7C/lGKBqs0TV0AkjeVUyDDi5oZ8THi5yZmR+qT6aDny2smKfNGLUE/iaGJUfSMhT/WqA+C+GBw==
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

2026-09-17T12:08:37.066289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013672
observed 5b08f98078492f3da3c8985b34412a5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:37.047264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013672/manifest.json
observed 3e5212e31a8e11072297e06e34bb8b58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:37.026993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013672/publication.md
observed f3a56ddda158c45e5d4a86435cd6ce3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:37.004183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013672/publication.txt
observed 240df20853aa846800d7cc76c73f965d...
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.