OpenTechnical

OT-2026-000015138

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line 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-2026-000015138) never changes.

Identity and time

Publication numberOT-2026-000015138 · never reused
Internal UUID01a0ae6d-ef47-7623-a7a7-67009959a023 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015138
StatusPUBLIC

Content hashes

Canonical textcabee43de995e14bdf42d2951fd253f5f58829d4a5af22200dbfb4fa1c66ed83
Markdown7db55489e27c721cdf835dfef6c5c4134fbc89e6866a2bbde7c1560c93ed3028
PDF
Publication pageda65b667d701ded73923b432a2c91add25e3cc7925ab438712ab404a571a3a48
Manifest95a123ec84110ea0f5af97bc6484778b06a8197636f63dc635a3ff40503a9d26

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
SignatureVahiZsVWqoseSUF2tVEWtVzrGZvzK+3BXxqbT0W8DeEOAVSoj4J/OkydoFCYKwWbwkSYB6iNBxCVGdGGpyX9Dg==
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

2026-09-17T12:05:44.465794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015138
observed da65b667d701ded73923b432a2c91add...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:44.445537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015138/manifest.json
observed 95a123ec84110ea0f5af97bc6484778b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:44.425026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015138/publication.md
observed 7db55489e27c721cdf835dfef6c5c413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:44.405185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015138/publication.txt
observed cabee43de995e14bdf42d2951fd253f5...
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.