OpenTechnical

OT-2026-000060640

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000060640) never changes.

Identity and time

Publication numberOT-2026-000060640 · never reused
Internal UUID01a0ae8a-b7cd-742f-b6fd-cfef8316bb4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060640
StatusPUBLIC

Content hashes

Canonical textafb42684f6b11b7c84d529f3676c8eeb93eab4ea10f21e0336a7cb5b35ff2f38
Markdown0c705bfa5e17d2f342deb9b3ca314764bb98d60e2aa2f05c400589b7cefaaac5
PDF
Publication page16073757cbb3c6ee21c1e96a670cdeb5e8a77399083ed0d0686b43a7a6e7c579
Manifest11b00c17d2362603a2d9d0186571ace9bcf5c1de55b830d2e7c3fd7c9257dd25

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
SignaturesLB0HHs9K9M6wffp7USiHmC99aDTl0I66NC/DW1rx1Ei5EOqOnfsH9LT4e/J/NaFCf/qJVzaTeY96sOyIOB+BA==
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

2026-09-17T10:43:16.236620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060640
observed 16073757cbb3c6ee21c1e96a670cdeb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:16.217366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060640/manifest.json
observed 11b00c17d2362603a2d9d0186571ace9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:16.199241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060640/publication.md
observed 0c705bfa5e17d2f342deb9b3ca314764...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:16.181482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060640/publication.txt
observed afb42684f6b11b7c84d529f3676c8eeb...
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.