OpenTechnical

OT-2026-000006833

Publication integrity record

Porous face vacuum gripper, common isolation valve, two outlet manifold, three stage ejector, closed cell

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-2026-000006833) never changes.

Identity and time

Publication numberOT-2026-000006833 · never reused
Internal UUID01a0a968-fe28-74c3-b023-48914389674e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:50:25.452154Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006833
StatusPUBLIC

Content hashes

Canonical text9896adc77718c0d2efc3ad9605f22c035a4fafbc2a3d2f13afcc676d2d35bba4
Markdownee7d36c49d445c821deb6b0186bb577715ad7d317a7e0bf2746b7c179661e523
PDF
Publication page21ef02e5c0bfa9e05b080d4e95a194fbf45c1a16b38e18f51770448328079c60
Manifestedc5ad2d67f8ab7014e817ad214676468427f9d7fd7a91e64b22103392c9c1c0

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
SignatureD8vaXL0OSnHy8PjCQYL7UcfkMKfWcDXndXK/uj/BtMEbFrcz0mVpJrtAex6CJDmmewmFmEGsUR6mEOH6eHcDDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:31.156203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006833
observed 21ef02e5c0bfa9e05b080d4e95a194fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:31.142513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006833/manifest.json
observed edc5ad2d67f8ab7014e817ad21467646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:31.128166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006833/publication.md
observed ee7d36c49d445c821deb6b0186bb5777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:30.990576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006833/publication.txt
observed 9896adc77718c0d2efc3ad9605f22c03...
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.