OpenTechnical

OT-2026-000063453

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000063453) never changes.

Identity and time

Publication numberOT-2026-000063453 · never reused
Internal UUID01a0ae8c-f944-7c6f-bc15-08d9a4341b91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063453
StatusPUBLIC

Content hashes

Canonical texta9c3aba516e4e2badaf9bf1ed361c4886ebe7a2e27e6d63413f91d0b443ebdbb
Markdownbdc1ad1b476227e7bb9ade07e036d9d82f005bae9578771d3656144a8e121741
PDF
Publication pageeff8c637de33ce7642dc52e7413bde9736a57826902e7b8379c48855f8ac4354
Manifestf1c7767f37090fc766a65c8ae5e74896e30112ade7e68baf4ed12dd11e89b29d

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
Signaturee6jp7a8Ku7Uv5ipcgBEMU6AchFjpYShqY+GXlhwivgo/i3x6pQenCzL3CTngRBqG2sRF8gqQDt01pDG7BWrDCw==
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

2026-09-17T10:37:24.966074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063453
observed eff8c637de33ce7642dc52e7413bde97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:24.948302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063453/manifest.json
observed f1c7767f37090fc766a65c8ae5e74896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:24.929340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063453/publication.md
observed bdc1ad1b476227e7bb9ade07e036d9d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:24.911854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063453/publication.txt
observed a9c3aba516e4e2badaf9bf1ed361c488...
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.