OpenTechnical

OT-2026-000045235

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000045235) never changes.

Identity and time

Publication numberOT-2026-000045235 · never reused
Internal UUID01a0ae7c-f76a-767e-9973-510637bd8bbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045235
StatusPUBLIC

Content hashes

Canonical textdac9ff5f63efa1b16db9174f49e74c149f9ae921b3669af4bfd6d628643416a0
Markdownc5436916f7ea3d4c07c83d350f98a935fb1af81ec43768efa7f1e567fac98b0f
PDF
Publication pageb6e625efe49c595e706a6696d9b3fab640c395f93851a52da0c0d7f0766db506
Manifest225aba7dba99ef7522be3261db4c6ac42c82dcc760a0f47dff16ba4c370be04d

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
Signature2Nr208NkE+1LqVnOE8TbmCL7IzOKFpMM/R7wt9DWa2VusQPZWGlukRPeXC7+lfKvKmTqy3oaJGH5gguKZ6b+Cg==
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

2026-09-17T11:10:25.936402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045235
observed b6e625efe49c595e706a6696d9b3fab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:25.917047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045235/manifest.json
observed 225aba7dba99ef7522be3261db4c6ac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:25.898350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045235/publication.md
observed c5436916f7ea3d4c07c83d350f98a935...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:25.876850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045235/publication.txt
observed dac9ff5f63efa1b16db9174f49e74c14...
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.