OpenTechnical

OT-2026-000034218

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000034218) never changes.

Identity and time

Publication numberOT-2026-000034218 · never reused
Internal UUID01a0ae75-df0d-79b3-be46-89738c0df6ac · 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-2026-000034218
StatusPUBLIC

Content hashes

Canonical text7f0bd3da4dac6cb0dac443c9a975fa334fb99948e5be34ea6d6e4ba045f1faed
Markdown650f8b86bb6a557c855f2322b527a507b87dd8cb34b793d4a95eef57300c8b43
PDF
Publication pagedff937cda25979537f5a3d72ecdeb3f37a5f9597ae53207ad0baa01f86c80ee1
Manifest1d670acb22b0bd5d3f202af4b08bebf6a41d593980f6a708a7d3c1f8b95ff04d

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
Signatureyv4jQ/q30rUxatN0iA0RpaGHs1FotyaQa6I94UzQE8Rl3BZU32qaUQvvpMRnNwomMJ/a8YYD+4ja9+KWl3AuAA==
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

2026-09-17T11:30:46.023572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034218
observed dff937cda25979537f5a3d72ecdeb3f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.005404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034218/manifest.json
observed 1d670acb22b0bd5d3f202af4b08bebf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.987186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034218/publication.md
observed 650f8b86bb6a557c855f2322b527a507...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.964360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034218/publication.txt
observed 7f0bd3da4dac6cb0dac443c9a975fa33...
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.