OpenTechnical

OT-2026-000044250

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000044250) never changes.

Identity and time

Publication numberOT-2026-000044250 · never reused
Internal UUID01a0ae7c-39d5-7c63-b954-29fe245f1b50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044250
StatusPUBLIC

Content hashes

Canonical text83b3905f5d6f54549e9d6eef6e55727e3ca12a4d683116d373b4d8f0be0f43a7
Markdown389f7a870a24966e262e71eb496773cb50b1d84a74086fd75a197c91aca46b57
PDF
Publication pagee5e3e0587f2e1684f45abc8e9a96b570953172da6a9f4600438668199f633fec
Manifest01f36e151fbbfd7b2b40f78a804326d3f5b4da89743ca5f3051e665a1e325961

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
Signature51ZK536rQZ3JkeWrAw+xD5f+2iwRahs20hlqTCs9daRKFiTfmLEYc585kx8TeCIUZWU/VoQHo22uGjBub3GnCA==
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

2026-09-17T08:30:06.326022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044250
observed e5e3e0587f2e1684f45abc8e9a96b570...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:06.309492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044250/manifest.json
observed 01f36e151fbbfd7b2b40f78a804326d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:06.292769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044250/publication.md
observed 389f7a870a24966e262e71eb496773cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:06.273017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044250/publication.txt
observed 83b3905f5d6f54549e9d6eef6e55727e...
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.