OpenTechnical

OT-2026-000014222

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000014222) never changes.

Identity and time

Publication numberOT-2026-000014222 · never reused
Internal UUID01a0ae6d-b279-7482-9ab0-254ae52e2889 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014222
StatusPUBLIC

Content hashes

Canonical text2be9751aebcf1dfd639f01d81d72a2ef241cf6008a6421147c565d3aa49a9bd3
Markdown3ce7ac6ef109bb593031577b9fca374efc8c89512c5165485a3f64bc6bbaaf1c
PDF
Publication pagecfec8bfdcf41073fa4928c590c383051082e38f57f913b960dc10de7d54fa4e9
Manifest2e97a6d05db0300eadc0af26545cf4c6f86a8f1f7ce776403281aae3c63b30d7

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
SignatureyNq4pILRidje6YW0sb8zFmStYLfEz26IgsaFF/ZkylSBp3KzxEL3tsaBSE+hWXXibMjc9Rr4xJ+O0J8Qn4TeAg==
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

2026-09-17T12:07:19.981026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014222
observed cfec8bfdcf41073fa4928c590c383051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:19.962282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014222/manifest.json
observed 2e97a6d05db0300eadc0af26545cf4c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:19.944254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014222/publication.md
observed 3ce7ac6ef109bb593031577b9fca374e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:19.923671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014222/publication.txt
observed 2be9751aebcf1dfd639f01d81d72a2ef...
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.