OpenTechnical

OT-2026-000060834

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, 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-2026-000060834) never changes.

Identity and time

Publication numberOT-2026-000060834 · never reused
Internal UUID01a0ae8a-b7d1-731f-88d2-58fc712fbd96 · 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-2026-000060834
StatusPUBLIC

Content hashes

Canonical textb2cb2cb9bd0c032c3235fdc465100f3788a0f0005f14e22e1aacbb813aca8956
Markdown78dec33a2c409ae2c07cfe4bbbca90c7bfe651d0da255740aee205231b67ddd2
PDF
Publication pagef296298ea1392b771c911e5408edcf0ca97683d6beb245e8574fd21865bcbbeb
Manifest95ab01bf57f7517dbfc4a37e2b7ffd262557fbe1e5ff8c4109a216d0c1cc47cc

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
Signature5CB3ipbYFvLbV65K50ndRbsOLWhWkfv/iLJ5EarNZzVFmnb5AVbgPl0PqvK2LJ/ZH6t+qNJ+42rBHIjVGkphBw==
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

2026-09-17T10:43:35.287592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060834
observed f296298ea1392b771c911e5408edcf0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:35.269417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060834/manifest.json
observed 95ab01bf57f7517dbfc4a37e2b7ffd26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:35.253875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060834/publication.md
observed 78dec33a2c409ae2c07cfe4bbbca90c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:35.237901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060834/publication.txt
observed b2cb2cb9bd0c032c3235fdc465100f37...
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.