OpenTechnical

OT-2026-000058727

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000058727) never changes.

Identity and time

Publication numberOT-2026-000058727 · never reused
Internal UUID01a0ae88-f39e-78b8-addf-4769dc35d502 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058727
StatusPUBLIC

Content hashes

Canonical textc8dd50809e56c195dc01467f29f9f2a5a12ffafdbe2008b1fd394fc50dabb8d8
Markdown985007a50c342582f584d54011b41b301d75151bf7e624b266fe529f785e8d05
PDF
Publication page2166cbff0fe7369630b10ea8ad64f05ce9fd728771b118037f86f9d19e5eb540
Manifestc2d5beb249063740e2760a054af7b1d463c33f2aca276f67a43189e91a450f1d

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
Signature6YI0F8WCTHJUzIKvCcjLgl/VHzPCp/RDiTrJhmESFel5SMarompnrL9rp3gBY/6wf0IbJ+6bj5ma+ly26TDxCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:15.580827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058727
observed 2166cbff0fe7369630b10ea8ad64f05c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.564883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058727/manifest.json
observed c2d5beb249063740e2760a054af7b1d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.547985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058727/publication.md
observed 985007a50c342582f584d54011b41b30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.529908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058727/publication.txt
observed c8dd50809e56c195dc01467f29f9f2a5...
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.