OpenTechnical

OT-2026-000032449

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, pulsed 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-2026-000032449) never changes.

Identity and time

Publication numberOT-2026-000032449 · never reused
Internal UUID01a0ae75-106e-712e-95fe-6b51bbcab5ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032449
StatusPUBLIC

Content hashes

Canonical text05f43fb6ea5ec7dbc9e14f33d9b52d62c0d6c5bdb48f000c5911258ce31cb00e
Markdown0fe1aea9dd1866b7f1172cfde711015cf9471ccc9fa3063edaacaa53d23463b5
PDF
Publication pagebe1bc0ff9b33fde6fff827d933858151fd18c45cb534314047071e406b3283d4
Manifestb3f746ab76127726149bed2918dfbcfdf0cf0d54533e5d3c942956471352cecd

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
Signature7ipobWgVlMC3roX88qf7oB91GOE67HXzXeh7ti4+tngjV7Hr1lAaml8YCIiqA4+qjNTjInfjIU+DcXjjSeRFDw==
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

2026-09-17T11:33:52.563904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032449
observed be1bc0ff9b33fde6fff827d933858151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:52.545879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032449/manifest.json
observed b3f746ab76127726149bed2918dfbcfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:52.529808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032449/publication.md
observed 0fe1aea9dd1866b7f1172cfde711015c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:52.512571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032449/publication.txt
observed 05f43fb6ea5ec7dbc9e14f33d9b52d62...
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.