OpenTechnical

OT-2026-000043718

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000043718) never changes.

Identity and time

Publication numberOT-2026-000043718 · never reused
Internal UUID01a0ae7b-92d1-7578-a136-d5e83308cd13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043718
StatusPUBLIC

Content hashes

Canonical textea5f0fdaa19d30607a81fe739ab46bb48ba0d21593365f996b2ba9657ac9c413
Markdown6d086ec08c07ee1847f57dd64d2c25494926f65bb2ee420de7923de9c59269bb
PDF
Publication page008dcfc6983121beaacc4cfafc09350a8d491141210d07d93db3ba794d2215e7
Manifest09e64f76c7a41a69ee5901abe5ea5f7fcf55430ea26114842ca61f78f49e4aa8

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
SignatureMaHo9AZajVn3sy8sYRXlBSvdqNd2lORs0m69+iZHroTfQ71npjnzTCXjgNzSF1XtNMGEo5Te9x6TtKqJLmTsDg==
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

2026-09-17T11:13:13.154685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043718
observed 008dcfc6983121beaacc4cfafc09350a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:13.134991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043718/manifest.json
observed 09e64f76c7a41a69ee5901abe5ea5f7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:13.113997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043718/publication.md
observed 6d086ec08c07ee1847f57dd64d2c2549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:13.093938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043718/publication.txt
observed ea5f0fdaa19d30607a81fe739ab46bb4...
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.