OpenTechnical

OT-2026-000023343

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, 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-2026-000023343) never changes.

Identity and time

Publication numberOT-2026-000023343 · never reused
Internal UUID01a0ae70-7268-75fe-b060-d648cd4f16bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023343
StatusPUBLIC

Content hashes

Canonical text424b58466de09dde7e72107dd2aaa850bf4066c421c45f23a9c8f34f67d40154
Markdown2cb1e67641d61fb148bc5e3dc46b154c1e213927986febf858397b261b9d69ff
PDF
Publication page0bb3119e4d188a5dee32906e59588353b61cd8d53da0422bdf9ebf428bdeed9c
Manifest19f55132cdad01a0ff0a6a32a2a1bfe3f6b8dbf610f336dffdd8c73a942cfef6

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
SignatureWaaNTNGxyGuN5k97K3alE/DodwOpWHpxyiNjM0R7afC/h6nB+VK2veY8BfiggtJwmOGxi0hOJSdH+QX5z8ClAg==
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

2026-09-17T11:51:26.105719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023343
observed 0bb3119e4d188a5dee32906e59588353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:26.089563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023343/manifest.json
observed 19f55132cdad01a0ff0a6a32a2a1bfe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:26.072466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023343/publication.md
observed 2cb1e67641d61fb148bc5e3dc46b154c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:26.055916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023343/publication.txt
observed 424b58466de09dde7e72107dd2aaa850...
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.