OpenTechnical

OT-2026-000049017

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000049017) never changes.

Identity and time

Publication numberOT-2026-000049017 · never reused
Internal UUID01a0ae81-134c-79aa-b0da-1dbe798df1b0 · 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-2026-000049017
StatusPUBLIC

Content hashes

Canonical text2f782adc468c07584a7a085ae03b2fd686bcc307b7f9cc9d8df350bc6fc16d04
Markdown49a0d8855824a0fadb356c249c8df02d658aedb70f1af5e2006f5d91e3bfd891
PDF
Publication page029cc9f6c0999114b7c91eb89bdbc38da1f23dc13c6eb8f96c23f6158c2128eb
Manifest9f144b4bbd66b9787abdd6a471923cb32326e5fc906e8ed513275e021a85cde7

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
SignaturenVPEi2nqFPb6EkF5BVAUUxZE+axR4q1S20LoKurkoT/28cOTf3D9JRMDkMQWPx0gpYh9iBFtcKtYZ/JAytzYBw==
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

2026-09-17T11:03:14.016411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049017
observed 029cc9f6c0999114b7c91eb89bdbc38d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:13.998869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049017/manifest.json
observed 9f144b4bbd66b9787abdd6a471923cb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:13.981813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049017/publication.md
observed 49a0d8855824a0fadb356c249c8df02d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:13.962772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049017/publication.txt
observed 2f782adc468c07584a7a085ae03b2fd6...
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.