OpenTechnical

OT-2026-000004868

Publication integrity record

Porous face vacuum gripper, three zone face, three outlet manifold, ejector fed

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-2026-000004868) never changes.

Identity and time

Publication numberOT-2026-000004868 · never reused
Internal UUID01a0a925-ede0-71e1-89bd-cd91d188a8c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:37:10.371895Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004868
StatusPUBLIC

Content hashes

Canonical text9a632d6cbdda969bb7b06a4d22613e530b94b8902e1801a820bc8f49d8d71d47
Markdown580c7a8c0af667f03b1c6058da0c0929bb8a57b2760b1f909dff662022f0e3a9
PDF
Publication page98d7027c4afc5f48d800fa3ce257a9842f4a199742d3d07268a4788184624218
Manifestf6b934f1954c1d564ec170149325f441ae6231504b6385e30408c3df3acf7fa7

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
SignatureqkBaibF6I3LeFcw/fK7rcZ4GgkrMmH0cmgTT8OjpH9V5REBF28unJCSSVqTCjxG267aHgjvsC33SvvvYC4JdAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:10.413334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004868
observed 98d7027c4afc5f48d800fa3ce257a984...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:10.400102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004868/manifest.json
observed f6b934f1954c1d564ec170149325f441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:10.386312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004868/publication.md
observed 580c7a8c0af667f03b1c6058da0c0929...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:10.372855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004868/publication.txt
observed 9a632d6cbdda969bb7b06a4d22613e53...
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.