OpenTechnical

OT-2026-000047609

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000047609) never changes.

Identity and time

Publication numberOT-2026-000047609 · never reused
Internal UUID01a0ae7f-3e5a-70ad-8d72-ad9cad1f4b4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047609
StatusPUBLIC

Content hashes

Canonical textf6fba91b9b38fb1956c1c814cdeb011f12915351759e4057d450276c2974036a
Markdowna9a71e9b59dac53198e61bc2b43ca6d7bd622f3fd3d9b7ec4fe662171f68337c
PDF
Publication pagec683105131b83f438e849b323be38fa0169711210cbd7b4c75b2054fe841b9ab
Manifest2ad4d61cea1e3f2c0068f418f27373f7213df1ad50088bb60d5c7c790c2974f1

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
Signaturex4vbGAnnneFlDMTMNYpfD55fm32kKjaR9uAonKQYaSRUTLku6wLIH8T3BGZGDFZE3voeoPaAkvO0LpLGnKTQDA==
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

2026-09-17T11:06:44.923170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047609
observed c683105131b83f438e849b323be38fa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:44.906148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047609/manifest.json
observed 2ad4d61cea1e3f2c0068f418f27373f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:44.889178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047609/publication.md
observed a9a71e9b59dac53198e61bc2b43ca6d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:44.870276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047609/publication.txt
observed f6fba91b9b38fb1956c1c814cdeb011f...
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.