OpenTechnical

OT-2026-000038866

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000038866) never changes.

Identity and time

Publication numberOT-2026-000038866 · never reused
Internal UUID01a0ae78-769f-7e00-bc88-d29a9b1aabd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038866
StatusPUBLIC

Content hashes

Canonical text713a3b869a18f628fa9e661696c69e489e3013225367b4d771e14abdf242bccd
Markdown3e140a13bbad69b7a4cc6f1037f5466e2f543b592190a8b9294ca75ed8d7dd34
PDF
Publication page7de292ea44f636db082f418c47c8a8c4007458259f0687665f7db309abd707db
Manifest11fb03b4091ee95588d467e54d62601a9aa4bf8f253a8ef47c1e09542218df6c

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
SignatureErk1c7uMVuANL06h8wTVkNd/bIjd96mZ2n1Zj0QWyYN2tbhLdyyHJEojf5zgyKPCkjbKortPTQcwsUl41+tgCA==
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

2026-09-17T11:21:26.532715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038866
observed 7de292ea44f636db082f418c47c8a8c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:26.516594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038866/manifest.json
observed 11fb03b4091ee95588d467e54d62601a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:26.499429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038866/publication.md
observed 3e140a13bbad69b7a4cc6f1037f5466e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:26.482202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038866/publication.txt
observed 713a3b869a18f628fa9e661696c69e48...
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.