OpenTechnical

OT-2026-000005163

Publication integrity record

Porous face vacuum gripper, four zone face, four outlet manifold, ejector fed, pressure verified

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-2026-000005163) never changes.

Identity and time

Publication numberOT-2026-000005163 · never reused
Internal UUID01a0a92f-e7b7-7f75-9632-f52fbd25e1d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:48:04.155129Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005163
StatusPUBLIC

Content hashes

Canonical textc60f8636c4852c577b6131b563cfbb8db185009dffb636b86834c9bae085865e
Markdown93bef778b3555092cfb5f3e30fad7ca067a78bb527b59b55edb3b13a09fda704
PDF
Publication page1997177b1aeaaf8c195a7c0450d1bb349257256805cfbb2dfa690dea8d79a148
Manifestac1c1c01a6dd892f1b36cab9bfc8ab757e709df7226cef16ddf775425f7c1e85

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
SignaturejdqWY7384ryNnQSzmJSJOeXMpdrzAIYbCMSsVqYfHBMzgUClAWdDSISNzAfOq561U7YKDZ+jMPiCzr0x0s4WBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T07:50:08.486313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005163
observed 1997177b1aeaaf8c195a7c0450d1bb34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:08.471980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005163/manifest.json
observed ac1c1c01a6dd892f1b36cab9bfc8ab75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:08.456594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005163/publication.md
observed 93bef778b3555092cfb5f3e30fad7ca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:08.441003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005163/publication.txt
observed c60f8636c4852c577b6131b563cfbb8d...
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.