OpenTechnical

OT-2026-000060181

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000060181) never changes.

Identity and time

Publication numberOT-2026-000060181 · never reused
Internal UUID01a0ae8a-5a72-7467-b01c-1d5a4ec0e7a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060181
StatusPUBLIC

Content hashes

Canonical texta74f2776b6c7b1f2370f3f233982c36019b146089a70ba3b19ffa8f39690714d
Markdown2f87b5c401027da72d87db7c7c3e0db62f4577800e0d8d67651de14a923e1ef3
PDF
Publication page83643040eaef4acbedef99c22e23ac168c031d504115757aa74d3b951e5ecbd9
Manifest0bd37c4922a830b28c76b86eb4b7d0f0ff38bd5686f3b44913ccb5f3f831da4e

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
Signaturec8uMo97SNgcwXzw8GKUxHJQiLNBiwj2/QvaW4YTHDwakBx82yHOstUexBHg6R4sUfatpwFfx1Aszb3IJMYbYDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:50.833508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060181
observed 83643040eaef4acbedef99c22e23ac16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:50.816832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060181/manifest.json
observed 0bd37c4922a830b28c76b86eb4b7d0f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:50.800438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060181/publication.md
observed 2f87b5c401027da72d87db7c7c3e0db6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:50.782855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060181/publication.txt
observed a74f2776b6c7b1f2370f3f233982c360...
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.