OpenTechnical

OT-2026-000042791

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000042791) never changes.

Identity and time

Publication numberOT-2026-000042791 · never reused
Internal UUID01a0ae7a-c0d0-7a7b-b6d4-fa7dc0c56deb · 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-2026-000042791
StatusPUBLIC

Content hashes

Canonical textf3c0e198f7294383acf4ac057e11482dbb1d96b39930d4fbbddea91156f83345
Markdown60bfa9946695f5cfc75c7d42102fbe14b7e3f979e7c6e202a82eece20cf34473
PDF
Publication pageebe7977c67a2f49528aa5a12f997cf5440e93c42fbd5522446a3649093702805
Manifest410fcdae0c68643a3db4769a8b0892891f1f252060d5c6df3f01e9b200f4dba4

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
Signaturegpr7fgxm7er+N7/yvJud1hgIUCmxcFHPkdsDQv66Uza20kvaOGMmy6iEWDZcBpwA0NqfhiHt5dgh2gMoXXpbDQ==
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

2026-09-17T11:15:15.440984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042791
observed ebe7977c67a2f49528aa5a12f997cf54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:15.423175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042791/manifest.json
observed 410fcdae0c68643a3db4769a8b089289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:15.404467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042791/publication.md
observed 60bfa9946695f5cfc75c7d42102fbe14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:15.385694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042791/publication.txt
observed f3c0e198f7294383acf4ac057e11482d...
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.