OpenTechnical

OT-2026-000082581

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, 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-2026-000082581) never changes.

Identity and time

Publication numberOT-2026-000082581 · never reused
Internal UUID01a0ae97-8cc8-7619-8f0c-f63f8c51d554 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082581
StatusPUBLIC

Content hashes

Canonical textca496aa34b53116770a83e6a0f01781421fd92c709db8664e43291dbbbec6d97
Markdown1f8e59da0a7fdda16f33717f2fd44a2edab2fda0b684da6fe4d505a76683f7ca
PDF
Publication page38a355e83052b6158554bf537b871f8a768cdf906b80de316ed601e5c74e77e6
Manifestdf125154e42d564a801fb0337a5e826327263b22556a74f45fe95f52e6b7c8b4

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
SignaturejvQFOL/YYI+iR9WrenEqExqq0wkvMeak7kHGKTlr3JL7TYVXOi9et79zHu/aRYbG4AY1tJ8dqnGlURVpVbRiCA==
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

2026-09-17T09:58:01.377244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082581
observed 38a355e83052b6158554bf537b871f8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:01.362546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082581/manifest.json
observed df125154e42d564a801fb0337a5e8263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:01.347996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082581/publication.md
observed 1f8e59da0a7fdda16f33717f2fd44a2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:01.332468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082581/publication.txt
observed ca496aa34b53116770a83e6a0f017814...
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.