OpenTechnical

OT-2026-000067406

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000067406) never changes.

Identity and time

Publication numberOT-2026-000067406 · never reused
Internal UUID01a0ae8f-6bd8-74cf-8bb2-e0877bb1c97e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067406
StatusPUBLIC

Content hashes

Canonical text48a3f0bb7ed8d03746504c68a6ca531aa2f57ac46089ef4efca89ed9daf6c326
Markdownea48ae6c698a2d738482b391f53c43c700a936f4689c562daf3a86791370964b
PDF
Publication pagefd2982e36fc058c45e7f4e870f5f66a5a1be49a6152338c5f536ad0d2a36afa6
Manifestcad2d19957a692fbe148a6e91895af69c2b2d4c5467b76dc9cf08fcf6b4f5760

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
SignatureijKZPD1x1NkzL9xwu/aZcmEqxSVMQ+HM4y0BSLXeUBsQfLg9GPQZcqLC2SgkbYBUEfQOAYQgKgaA3ISovnwSCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:31:36.030283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067406
observed fd2982e36fc058c45e7f4e870f5f66a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:36.012493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067406/manifest.json
observed cad2d19957a692fbe148a6e91895af69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:35.996880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067406/publication.md
observed ea48ae6c698a2d738482b391f53c43c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:35.979927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067406/publication.txt
observed 48a3f0bb7ed8d03746504c68a6ca531a...
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.