OpenTechnical

OT-2026-000095185

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, 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-2026-000095185) never changes.

Identity and time

Publication numberOT-2026-000095185 · never reused
Internal UUID01a0ae9f-8f6f-7104-8ddf-d6d265b87131 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095185
StatusPUBLIC

Content hashes

Canonical textd9fc363e48430ff363bf6b58ba63fb2ca23aca58df5d78a398269a459e7e0682
Markdown42d8b1d38f1ebbb208a1f5ead29516700dece816832a9c098f69a0d3b8ae0d76
PDF
Publication pagecb09d1b3d244f13025125f7980e36b4400149c8ffc6628508e35b083a5050289
Manifest99a692943565b9fc1fed8b7d422dba23fac12ac094b363176aea164384c29fc4

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
SignatureBkXbG/AUKzwtHj5maRci7JQxz9wuxGIEL4B0mMg8W069tORUtdfpmjAk7m9WwSyg7Lem+yxRjtfXgOKmO03ZCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:29.751614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095185
observed cb09d1b3d244f13025125f7980e36b44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:29.733601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095185/manifest.json
observed 99a692943565b9fc1fed8b7d422dba23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:29.714598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095185/publication.md
observed 42d8b1d38f1ebbb208a1f5ead2951670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:29.698198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095185/publication.txt
observed d9fc363e48430ff363bf6b58ba63fb2c...
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.