OpenTechnical

OT-2026-000012152

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000012152) never changes.

Identity and time

Publication numberOT-2026-000012152 · never reused
Internal UUID01a0ae6d-39f4-707e-b779-535d78842574 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012152
StatusPUBLIC

Content hashes

Canonical text80a4620f14109b78a1e9b9fc11c1886e96d92fc2f9ecddcd8740da95eee9db6e
Markdown8af5276c9f828673b6b5b8ee82b72066cdd22a103965f9ab797636667f797621
PDF
Publication pageeb511633b056af4e7e13c19071a0c5c789977f09ec7e84c2dbcaf8e09face148
Manifest34968a68fefa0402a1863749539d8baf56f80a38a31a20eedc575cb7f2b24288

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
SignatureadxeII7lPzVvbG411df9gYvOayE1lEMwVjJlpcjDeSr10rxwXNbFd6/obfpF3bD+mGlqRVcbh5oZtG2tRYZYAg==
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

2026-09-17T12:11:02.909435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012152
observed eb511633b056af4e7e13c19071a0c5c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:02.889285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012152/manifest.json
observed 34968a68fefa0402a1863749539d8baf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:02.868205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012152/publication.md
observed 8af5276c9f828673b6b5b8ee82b72066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:02.850615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012152/publication.txt
observed 80a4620f14109b78a1e9b9fc11c1886e...
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.