OpenTechnical

OT-2026-000012190

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum 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-2026-000012190) never changes.

Identity and time

Publication numberOT-2026-000012190 · never reused
Internal UUID01a0ae6d-39f5-71d7-845e-6200f2a30518 · 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-2026-000012190
StatusPUBLIC

Content hashes

Canonical texta4f1f15c6e7df9954b0f0cbe6bf3e31799bc435a85b207942344414e555836bc
Markdown0b7883af7f188c763cd5b26b71dfdaa31bc66afae280faac357eb077f1867272
PDF
Publication pagea7566347baec20e3fac88a087f1d9bc765b973fcc9afb277693907c88019f872
Manifestb12b73f227cc624c0e06af2a459e47c3c6e9071bdfe74ebdf5b5080fdcae0cae

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
SignaturetM5fVYwMzRlaP3jbFggtXldRmuL4ypBdoEuszsnyFBw9gR818/mzKvvE5qu6iFIhHBz/5X0EcFaKoMZ0sbz+DQ==
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

2026-09-17T12:11:05.838829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012190
observed a7566347baec20e3fac88a087f1d9bc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:05.813659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012190/manifest.json
observed b12b73f227cc624c0e06af2a459e47c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:05.787592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012190/publication.md
observed 0b7883af7f188c763cd5b26b71dfdaa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:05.763185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012190/publication.txt
observed a4f1f15c6e7df9954b0f0cbe6bf3e317...
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.