OpenTechnical

OT-2026-000062029

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000062029) never changes.

Identity and time

Publication numberOT-2026-000062029 · never reused
Internal UUID01a0ae8b-b8af-772f-a5cd-8669c7ae113a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062029
StatusPUBLIC

Content hashes

Canonical text9ae7a51a2d71676dac512b6740b89eb945abcdcea20b70ffb80645865a1c0d05
Markdowndaf707114b103b7a3bd341d83611fb7bbd7537cce561d4a85ca70b55966cb731
PDF
Publication page27480b880960b0dc191e2012a74811c95f5b7bdf4afa5c460cb3038cc2287024
Manifest6924449e9ffcc622fc070180b339888e04b7a57435410239ca31d1a926c53ac8

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
SignaturerhqFhXZ7BuNdBx+JuQQevP2BGko14FpYv7XoMjffPusIFD55SIfrfULSZin28Kik1O8mH3gSPB+paEm4koyQDw==
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

2026-09-17T10:41:03.855656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062029
observed 27480b880960b0dc191e2012a74811c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:03.836588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062029/manifest.json
observed 6924449e9ffcc622fc070180b339888e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:03.818200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062029/publication.md
observed daf707114b103b7a3bd341d83611fb7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:03.798315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062029/publication.txt
observed 9ae7a51a2d71676dac512b6740b89eb9...
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.