OpenTechnical

OT-2026-000034403

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000034403) never changes.

Identity and time

Publication numberOT-2026-000034403 · never reused
Internal UUID01a0ae75-df0e-798f-9c9e-c08b6b1cb976 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034403
StatusPUBLIC

Content hashes

Canonical text673b06e5d934935c5ed6177b75c086113efed69cd957bc248ba13c6c74bc041e
Markdown630d2ec39dc06aa29f59c6cd4329ef3f89ddccadc0eb69505a5ac599d06f1712
PDF
Publication page68de949123f8e38a5c46e47570d01fcab844a65dff04b0b60981d36bbcc2d754
Manifestc57c9cd7b6e53b26fd5deef0360e31ae323c51e9fa287c80425432d39185522f

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
Signaturelj0oYY45UeI+7psy0ADQZYpURr0YG6bvYZOQMYnnilP3Bm3A/s/KNFAAuxPnMpnT7AILZnH97qdZiUYQLLk6CQ==
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

2026-09-17T11:31:07.230445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034403
observed 68de949123f8e38a5c46e47570d01fca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:07.212411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034403/manifest.json
observed c57c9cd7b6e53b26fd5deef0360e31ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:07.192051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034403/publication.md
observed 630d2ec39dc06aa29f59c6cd4329ef3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:07.173361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034403/publication.txt
observed 673b06e5d934935c5ed6177b75c08611...
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.