OpenTechnical

OT-2026-000042536

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000042536) never changes.

Identity and time

Publication numberOT-2026-000042536 · never reused
Internal UUID01a0ae7a-c0cd-7107-b1c1-393fe9ac312b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042536
StatusPUBLIC

Content hashes

Canonical text41bf1fce42982a17cd7f6d8b9ba1a594a18bc8f69d4f9ada7703511889828a59
Markdownf697a8efc96bc878986dce852a6906c3b42fb0c95752532eebd00b25226f02db
PDF
Publication pageab87b410cf88f0586bcad709b778cb1ae394577af34d868b9823e9e9c8e3c3ef
Manifest84d126d9f7cd86a355b13d2f3224da52f936d1cd099da98859644933bd10f208

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
SignatureAu/oBvtlpBcsV9sd88THVa1+r3/H72j9hwcJuLSJhvHnflay5s5eYsrexP4Qvu+wEmvcE6IgPdaKjNdFtSfXBw==
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

2026-09-17T11:14:14.179818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042536
observed ab87b410cf88f0586bcad709b778cb1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:14.160026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042536/manifest.json
observed 84d126d9f7cd86a355b13d2f3224da52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:14.139353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042536/publication.md
observed f697a8efc96bc878986dce852a6906c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:14.117595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042536/publication.txt
observed 41bf1fce42982a17cd7f6d8b9ba1a594...
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.