OpenTechnical

OT-2026-000049399

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000049399) never changes.

Identity and time

Publication numberOT-2026-000049399 · never reused
Internal UUID01a0ae81-8f7b-7704-8458-9174817c33af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049399
StatusPUBLIC

Content hashes

Canonical text203b0360d4ab06bfeea373196ead333ae4ca548f72d3050fde94ab5c6558e267
Markdown4e01becea7a02dac7cc3891d42fc59890ba9d914b9977f587c6bf1267f02a514
PDF
Publication page2aaed5963ca9c5408ebf989ec0a232180472db267fa37000b461b550579825ed
Manifesteaa9c9037e7be444a6cd78f3d60bcb237a938cdae41d306a5a3f4c1abb87f9e7

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
SignatureZ9719FHls7zar7OiY5eJlAAhMA/tBF+NE8hyNpdfBzPOefdTvFDh4jtB2fjDeJJ1SEUjUcqHt9EytRikNFVADA==
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

2026-09-17T11:02:12.974777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049399
observed 2aaed5963ca9c5408ebf989ec0a23218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:12.956643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049399/manifest.json
observed eaa9c9037e7be444a6cd78f3d60bcb23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:12.938490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049399/publication.md
observed 4e01becea7a02dac7cc3891d42fc5989...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:12.920290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049399/publication.txt
observed 203b0360d4ab06bfeea373196ead333a...
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.