OpenTechnical

OT-2026-000060997

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000060997) never changes.

Identity and time

Publication numberOT-2026-000060997 · never reused
Internal UUID01a0ae8b-12f3-7f5f-8616-748e4f153011 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060997
StatusPUBLIC

Content hashes

Canonical text52bcc1ec2098fbcdcd0afa0ebc7326b0c2394e0e61c81c9dcb725db0601f6e6a
Markdowna2eba13912a24c4890670ef33802d4a97d35070b3b41677de72a6be69d7b7efc
PDF
Publication pageac57a7ccfa8815c6b670b99dad12a621df55774719e89f472831f38784da31d1
Manifest3b6f66503cde45434eac9ee13d0dddc487f290d406247de44d6aedefa9884682

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
Signature2iQSv9hRupU73jgzzEExBaWpZlQMBdEMT5S7wroyChPJ55eJUriq/zIKUqcqPr5H0HG+6m4GhUpR4CsvAjegBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:17.193360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060997
observed ac57a7ccfa8815c6b670b99dad12a621...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:17.173942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060997/manifest.json
observed 3b6f66503cde45434eac9ee13d0dddc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:17.157644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060997/publication.md
observed a2eba13912a24c4890670ef33802d4a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:17.138382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060997/publication.txt
observed 52bcc1ec2098fbcdcd0afa0ebc7326b0...
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.