OpenTechnical

OT-2026-000031416

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained 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-2026-000031416) never changes.

Identity and time

Publication numberOT-2026-000031416 · never reused
Internal UUID01a0ae74-87ad-7b9c-adf2-c39acb661906 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031416
StatusPUBLIC

Content hashes

Canonical text86c2c39a7d87c1257c304983fa73c0ea578c1e433eaee1848a2b1b2736ff68d8
Markdownd65045fa9d73f8b60e58c9ebcffaa5c92d23c9cc708f90e6287b6558d6744c58
PDF
Publication pagec04db0a88ea12b9919a677a3d38c29eceded22701eb3ac5a095d3dceb6506576
Manifest75ed91237a84b42172bfdbd3f1ca1153b42baf06b03480e0fe821b088e675e0a

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
Signatureyux/EcafZdkShaT2/UYefEHFOXKPTcOlsZvEi7HLCKbV5HhU9ZvmwB26wH18fBmUmStWWAEfGdQ2LH3XG7W0DA==
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

2026-09-17T11:36:07.968396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031416
observed c04db0a88ea12b9919a677a3d38c29ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:07.944044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031416/manifest.json
observed 75ed91237a84b42172bfdbd3f1ca1153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:07.927067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031416/publication.md
observed d65045fa9d73f8b60e58c9ebcffaa5c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:07.910520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031416/publication.txt
observed 86c2c39a7d87c1257c304983fa73c0ea...
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.