OpenTechnical

OT-2026-000048879

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-2026-000048879) never changes.

Identity and time

Publication numberOT-2026-000048879 · never reused
Internal UUID01a0ae81-134b-7167-a256-3b222d95cd94 · 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-2026-000048879
StatusPUBLIC

Content hashes

Canonical textdddff378df2327fa993db4938bee84df746e342e840504f6f13c1ba0287f1053
Markdowncf1fcf517b31b5c3f8bb4ee6a02339d327c75a1ce38c81f75a2f86cffe1f5e32
PDF
Publication pagec5c25d7cc604a5f70c543d5cd84c6b6ba80b95a0166ebedb1f317aa2b8b1f25a
Manifestfb79a3c189b37e0de3d7652d27e9754cdad307dd4f206fdcabc30957f0da564e

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
SignatureuN3migYVN4e/82unKIV7Wswz9ZbZUP+W+wr0ZIcDQzYG8PNZccUaRalf9A2FB3IW/EVSXNRMcP7uqHPeln1pDA==
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

2026-09-17T11:03:02.183150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048879
observed c5c25d7cc604a5f70c543d5cd84c6b6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:02.166404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048879/manifest.json
observed fb79a3c189b37e0de3d7652d27e9754c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:02.147739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048879/publication.md
observed cf1fcf517b31b5c3f8bb4ee6a02339d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:02.129621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048879/publication.txt
observed dddff378df2327fa993db4938bee84df...
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.