OpenTechnical

OT-2026-000042377

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000042377) never changes.

Identity and time

Publication numberOT-2026-000042377 · never reused
Internal UUID01a0ae7a-5d74-7807-8df8-316a84903a56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042377
StatusPUBLIC

Content hashes

Canonical text10084280f04bee2be3b70646061d677a81ccdd1b2a5b2f2cb979e1a326b8fb37
Markdowne739c14b14a9ed58f5fa84c0c9197b52062ed6ce990b66f3ce51b8195caf1fe6
PDF
Publication pagedbe4ab30d709f1918f3cce0cd6c2467489e7ba451682d1aa0ba5a8a29f205046
Manifestc823abafcc347b7c8d613bdd82f6979ee49ddf62663f526c2f6be1193e37808a

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
SignatureMvGUTmTFLoqbNFJsboGDYyN1IAeCv3Sicn+HvSDeL+Qwi+W0UWV0JejoT0+LBoKf2aa5zq/PJxsPXq/e/nHkCw==
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

2026-09-17T11:16:10.044637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042377
observed dbe4ab30d709f1918f3cce0cd6c24674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:10.026584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042377/manifest.json
observed c823abafcc347b7c8d613bdd82f6979e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:10.008589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042377/publication.md
observed e739c14b14a9ed58f5fa84c0c9197b52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:09.991238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042377/publication.txt
observed 10084280f04bee2be3b70646061d677a...
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.