OpenTechnical

OT-2026-000047417

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000047417) never changes.

Identity and time

Publication numberOT-2026-000047417 · never reused
Internal UUID01a0ae7f-3e58-7b46-9615-920500803708 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047417
StatusPUBLIC

Content hashes

Canonical text769db651209b92c767c697543d9513481dd40d70adf0aa3541c4157f6c068425
Markdown7fa2c60acfd8ed019ff255f841cca45d473983cbcf679eb4833438f565efe547
PDF
Publication paged3b5e7c086f62cdf00a230ed3b7394528a3180d053abcab9658dcb381664064c
Manifest3886f3d23cfabc26861320d85d2fb55d6381b39a3ac8d9402e1933ad678707e4

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
Signatureq2LCkfnCah0HRbUqo+9aNMS7UHM4vIxD9coS2J4enOcV/nBJwJ9y0YMN6DG5Hmfdw025g7rMe+BCY6vmVpyvAA==
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

2026-09-17T11:06:26.126498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047417
observed d3b5e7c086f62cdf00a230ed3b739452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:26.108774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047417/manifest.json
observed 3886f3d23cfabc26861320d85d2fb55d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:26.091529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047417/publication.md
observed 7fa2c60acfd8ed019ff255f841cca45d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:26.072538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047417/publication.txt
observed 769db651209b92c767c697543d951348...
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.