OpenTechnical

OT-2026-000085834

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, 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-2026-000085834) never changes.

Identity and time

Publication numberOT-2026-000085834 · never reused
Internal UUID01a0ae99-e829-71f4-94dd-c69e1f5b894e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085834
StatusPUBLIC

Content hashes

Canonical text051834530038d560dbbf21954bf520adcfa1ec3a22bd99bfc6d75bb01815d7a5
Markdown14fcc3ac2c4b4ccd942853ea72a7aabb61b4559c0d575a7cdb66d1e7cfa2c2fd
PDF
Publication page3f850645fd23e0db624f52cd3a499a5aa6d6947ed5f9766809f55c2e9453e2f9
Manifest58c02eb8fec60bab76cc39d576e020742237cf11557d0efe61798dcaaae27ceb

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
SignatureUr4I3g+pE+TwhH3SEh31pKL2FBJYcVkhPayIP1C7zi+4tu4Z0Kl4a7ri8XnMi5/AJ80AnBHKIIqQWwiZczmmDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:45.450760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085834
observed 3f850645fd23e0db624f52cd3a499a5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:45.433306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085834/manifest.json
observed 58c02eb8fec60bab76cc39d576e02074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:45.415639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085834/publication.md
observed 14fcc3ac2c4b4ccd942853ea72a7aabb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:45.396983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085834/publication.txt
observed 051834530038d560dbbf21954bf520ad...
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.