OpenTechnical

OT-2026-000025530

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000025530) never changes.

Identity and time

Publication numberOT-2026-000025530 · never reused
Internal UUID01a0ae71-5fa8-71db-8785-185d0d840097 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025530
StatusPUBLIC

Content hashes

Canonical text70c393ab39f201e772fac349a7f8ba6eae6a8b1eff07eea42c0d59f41ed39179
Markdownc2e1cab840d006ed43ee2dfcbd375198dd0c5efd89f29cdccea0d7aa97296a26
PDF
Publication page7a1fea5606efb9159f97b81a89929eb62e43df7f96b16b48dc16a409701518ae
Manifest9feb2decab0613321f699bc6522282ff6e1798c38365f6adc2e85cd013d11a29

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
Signatureom3JGvYPQUSUFjGbHh57RSBGUvoC5UZLu7nvbblLeB0IUHcmoDk1i/jqQgR0Qf5xV+7mmRo4sU7637x0a+zXCA==
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

2026-09-17T11:47:40.450713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025530
observed 7a1fea5606efb9159f97b81a89929eb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:40.432752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025530/manifest.json
observed 9feb2decab0613321f699bc6522282ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:40.414228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025530/publication.md
observed c2e1cab840d006ed43ee2dfcbd375198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:40.396157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025530/publication.txt
observed 70c393ab39f201e772fac349a7f8ba6e...
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.