OpenTechnical

OT-2026-000048903

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000048903) never changes.

Identity and time

Publication numberOT-2026-000048903 · never reused
Internal UUID01a0ae81-134b-749f-9765-0cc97cc2f8f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048903
StatusPUBLIC

Content hashes

Canonical textd18f947ba44205711e926f7a3184d8ffa00d69dec93b09a109650445fe725d42
Markdown00b5e93b7ed2b762a1c47b38fd11cb9eac039927b7a08e6ce95218a46a9f64eb
PDF
Publication paged75ed3cc2c76d7a50bd51237309320540a0396f1eba111c1057acfa40338ba57
Manifesteed871674da1780533abd1a07f66b457f2592f32e779a2cc10d8b51b938b8b33

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
SignatureWE+uH+Zgswsg1oRHJ1zZXb2956lbKYPYfMIy/ZvrKpZLmhjSLVw4elJIGzvQ7gORbjNNcF6HG67o0DxdwcsdDA==
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

2026-09-17T11:03:04.344601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048903
observed d75ed3cc2c76d7a50bd5123730932054...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:04.326059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048903/manifest.json
observed eed871674da1780533abd1a07f66b457...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:04.307812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048903/publication.md
observed 00b5e93b7ed2b762a1c47b38fd11cb9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:04.288969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048903/publication.txt
observed d18f947ba44205711e926f7a3184d8ff...
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.