OpenTechnical

OT-2026-000046628

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000046628) never changes.

Identity and time

Publication numberOT-2026-000046628 · never reused
Internal UUID01a0ae7e-57de-78de-b697-45505a02adce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046628
StatusPUBLIC

Content hashes

Canonical text7b6251dc3990581887e5ec6d3cb9a96e572384f1874ee24faa90bafb28f71a2f
Markdownc15fb0ecc9a43ad7f457e8f6ba8a7a92cb97295999f8137fb21d10fdabc4ed2a
PDF
Publication pagef7197a002383f871c3fdf29adf9cf62ce25cc00f5f82124411df027ba7937f72
Manifest71fb88964d58d4e5df4840e7afab15e8f1511f45c1414b126644d5542ee58513

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
Signature0OY0ASC6nygwbMAQL1qJfCfKJ4xCm4AgxgUpSgtx3BQYBB+w0GJf9jkBs1YH5eP8wEWpE7XT+oF+I2bpZ5lAAg==
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

2026-09-17T11:08:42.831967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046628
observed f7197a002383f871c3fdf29adf9cf62c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:42.814948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046628/manifest.json
observed 71fb88964d58d4e5df4840e7afab15e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:42.796263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046628/publication.md
observed c15fb0ecc9a43ad7f457e8f6ba8a7a92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:42.777560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046628/publication.txt
observed 7b6251dc3990581887e5ec6d3cb9a96e...
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.