OpenTechnical

OT-2026-000043820

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, pulsed 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-2026-000043820) never changes.

Identity and time

Publication numberOT-2026-000043820 · never reused
Internal UUID01a0ae7b-d677-70b7-9007-cd1c01cf17ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043820
StatusPUBLIC

Content hashes

Canonical text26be3249be9c1b1eaafae8cf120fde7b8c0fa33b8836ee48a5b34ce91267cfc8
Markdown25e3531804de59173509da5fe350f6f8e81086c93ebb7f9af7b8d302a53c9543
PDF
Publication pagea598e768448509b6e4dc33f6a6e2f736ac0c7bb5f6aae6e6f42d26a48a4c4c89
Manifest3f93acc50a55f7f1268d4d162381e85c7c9612bd7b65378dfdd562f4d203945f

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
SignaturenHzz1WMuOIgSBqEr1qwgKS6KZ8KV+IzMAnZPdXT9iR+GoLg/JbwP2hhFMcyK0KWXD9xbLzHmqZSBlgsPa2//Dg==
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

2026-09-17T11:12:07.761670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043820
observed a598e768448509b6e4dc33f6a6e2f736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:07.740290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043820/manifest.json
observed 3f93acc50a55f7f1268d4d162381e85c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:07.717647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043820/publication.md
observed 25e3531804de59173509da5fe350f6f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:07.676659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043820/publication.txt
observed 26be3249be9c1b1eaafae8cf120fde7b...
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.