OpenTechnical

OT-2026-000018079

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three 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-2026-000018079) never changes.

Identity and time

Publication numberOT-2026-000018079 · never reused
Internal UUID01a0ae6e-96fd-7a40-90e2-3014082a36b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018079
StatusPUBLIC

Content hashes

Canonical textac262efc1847995fa889dc8fbeeae11f153e30220c5dd46cd0ffd9f6242c1462
Markdown02390e057c274f380e8e7a94a77658ac0ac1ec4e230753d899e10ecb45efe9ea
PDF
Publication pagedb712d79f9b766f31efa63cc1631cf5924fbdd0e6f52278b23e88c482456c866
Manifest49b24bbaf486b2452199edd680b1ac466e4ba5a0d6749fe44368707a78b2824c

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
SignatureftFuIHmUuWlzI3La2QoYwexdJ8C5mDqUKIhXWRmJf1XGNI0YnqR2qH+AMGU7ZttHWdyqws36j2ZHFYKIwD7gDA==
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

2026-09-17T12:02:07.280352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018079
observed db712d79f9b766f31efa63cc1631cf59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.264134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018079/manifest.json
observed 49b24bbaf486b2452199edd680b1ac46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.247085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018079/publication.md
observed 02390e057c274f380e8e7a94a77658ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.230393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018079/publication.txt
observed ac262efc1847995fa889dc8fbeeae11f...
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.