OpenTechnical

OT-2026-000042794

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000042794) never changes.

Identity and time

Publication numberOT-2026-000042794 · never reused
Internal UUID01a0ae7a-c0d0-73ed-933e-71ef13d4770a · 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-2026-000042794
StatusPUBLIC

Content hashes

Canonical textec78af707b1fbd0d7b43cbb18bc5a923620c840436a28fab62ed5e19cac0cce3
Markdowncf58a0e941ee85f6681f45fe18243411745c2be7064d8467f100d5f432803ae4
PDF
Publication page0e37963ee53ceaa0543cfaf8e597bcdd2feb561cfa087943e64f5dccd945fa42
Manifest1453e79de10181a4c463dd604d3b9a7402dc4405aea6389dc39cc5081d542702

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
SignatureN09wdutlO7IzOJf1LqD8gewc0dK6sHeSWxte5aIiFWUz7YXDnbBLcYkq3gkxeOggVTNHNVbWMy39XopZt2wzCw==
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

2026-09-17T11:15:15.751995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042794
observed 0e37963ee53ceaa0543cfaf8e597bcdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:15.734110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042794/manifest.json
observed 1453e79de10181a4c463dd604d3b9a74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:15.715157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042794/publication.md
observed cf58a0e941ee85f6681f45fe18243411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:15.696210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042794/publication.txt
observed ec78af707b1fbd0d7b43cbb18bc5a923...
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.