OpenTechnical

OT-2026-000041958

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000041958) never changes.

Identity and time

Publication numberOT-2026-000041958 · never reused
Internal UUID01a0ae79-e8a7-7af2-9891-572a6fd767d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041958
StatusPUBLIC

Content hashes

Canonical texte37c59fdd5a9ad5c09df66c52a1142cb002b028060dc48d5e62eb007b4f58297
Markdown8f56293cbbde8d568ed42c6731606d69bac51900cb294f10c9bd09b9732ca792
PDF
Publication pagefde118dd8c0e3ae9317318f6969c2810e7e5bbd29bca7344a21cd922f187fce5
Manifest9d1c1154478c06b4c5bd084b09a225ad69bad74cd1a21dd6526964d3912e8b40

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
SignatureyvBTpFGucddC/Ub2FW23s24KRlOHKJLlwKGZmf5wNkZ1sQWCA+m811HYMGKasZcLxmsHsKY+9hlFjcutRkU6BQ==
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

2026-09-17T11:16:50.989886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041958
observed fde118dd8c0e3ae9317318f6969c2810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.972919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041958/manifest.json
observed 9d1c1154478c06b4c5bd084b09a225ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.955978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041958/publication.md
observed 8f56293cbbde8d568ed42c6731606d69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.939513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041958/publication.txt
observed e37c59fdd5a9ad5c09df66c52a1142cb...
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.