OpenTechnical

OT-2026-000043175

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000043175) never changes.

Identity and time

Publication numberOT-2026-000043175 · never reused
Internal UUID01a0ae7b-327c-7335-98d3-70c32ac72935 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043175
StatusPUBLIC

Content hashes

Canonical text4b0fdb6bca6aeef67bbe377bf1b5dbb081007ea993aa57563abb431394264dfc
Markdown3f4de3814fb62d48184783aa7ae18ed0955d2fef1b449a3466bfb458e1d4c0bf
PDF
Publication page48b582601df8ec652f9a6578498174fd69dbaf402e003bb1ceb17bd0b20b1481
Manifest5464c7f335139d5da03dc7a53be5b2630fe8c95323664ccea6278a58ef28b2f7

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
Signatureh023uMs5B7KJgxTzjb+F7Va2um0ka/TFrTv+0jFFxGSxeLqIYqSKDD0aEKM4X+CvFaeCTLor6ixqTQCwTGz3Dg==
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

2026-09-17T11:13:37.459462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043175
observed 48b582601df8ec652f9a6578498174fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:37.442139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043175/manifest.json
observed 5464c7f335139d5da03dc7a53be5b263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:37.423078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043175/publication.md
observed 3f4de3814fb62d48184783aa7ae18ed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:37.404946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043175/publication.txt
observed 4b0fdb6bca6aeef67bbe377bf1b5dbb0...
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.