OpenTechnical

OT-2026-000041594

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000041594) never changes.

Identity and time

Publication numberOT-2026-000041594 · never reused
Internal UUID01a0ae79-e8a0-70f3-8917-7a5377e9fd38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041594
StatusPUBLIC

Content hashes

Canonical textcab41bcbc70e674141ca42ec755693810c760ea42a3889ce98f33998bb4a6af4
Markdown72492fe815b1255b52b19812d1a7a91f623ceee769d112df111fb32caca4f86e
PDF
Publication page5a7946443eae238473142f74ad3a7fd1b686f901c07d3bfaf08f4f4c3b8417ea
Manifest550c65b180b7f2b3926464d39a3214c185722ce796e2128550f887e93bdf456f

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
SignatureVYe9MhIvxM1EC2TxNXvsJVXAk1LOSZEOZyxtyUQ+5JmKKivZI5SkW5OYIcTG/lxXzkXzS0KyA7dH1Nc/0UVQDQ==
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

2026-09-17T11:16:23.056854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041594
observed 5a7946443eae238473142f74ad3a7fd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:23.039867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041594/manifest.json
observed 550c65b180b7f2b3926464d39a3214c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:23.023015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041594/publication.md
observed 72492fe815b1255b52b19812d1a7a91f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:23.006041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041594/publication.txt
observed cab41bcbc70e674141ca42ec75569381...
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.