OpenTechnical

OT-2026-000050462

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000050462) never changes.

Identity and time

Publication numberOT-2026-000050462 · never reused
Internal UUID01a0ae82-5c48-78fe-aecf-a1db4985c747 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050462
StatusPUBLIC

Content hashes

Canonical text00095e564e5d621526197cfcf9cba9b3e03c9ef2d3237d558ddf7bbddfb2fb4f
Markdown7cb8bd04939c02623be36d22e6d266eb41dd80e7ae7567e2de9c3b2da9e70d61
PDF
Publication page80e4bc4cbbc78438ec1ba9b576176541a3f4cbfe07dfa14aa96bc8f4dd4388bf
Manifestc41ef8bf6734a4ead9e9b4dcdf88f684894b1734ea68c3865b073b179e2366ca

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
SignatureH/IbC1fyzYrjuPhJ3Cv+W8als3qQdhvPsdP2wjJ/8105FlN+WdI0hns3SVgdyK5DXVl0pkGhTxC4jI9mmYKpBQ==
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

2026-09-17T11:01:30.798761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050462
observed 80e4bc4cbbc78438ec1ba9b576176541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:30.782390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050462/manifest.json
observed c41ef8bf6734a4ead9e9b4dcdf88f684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:30.766316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050462/publication.md
observed 7cb8bd04939c02623be36d22e6d266eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:30.748601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050462/publication.txt
observed 00095e564e5d621526197cfcf9cba9b3...
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.