OpenTechnical

OT-2026-000063830

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line 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-2026-000063830) never changes.

Identity and time

Publication numberOT-2026-000063830 · never reused
Internal UUID01a0ae8d-53b7-7ec2-b325-16cbac3ebbae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063830
StatusPUBLIC

Content hashes

Canonical textd353f18248c305bf469f535ed0081de96c58061ccbc7c0ee6b46b72635625dfe
Markdown74100c48e4b2f45dcf042aecfeb1d3178cff9c87d5f3d9846ccc5c05081ce539
PDF
Publication page73de2a7622802aa6f5b257af3c16c182c05fd79b4c5f7b2cd70f7b254fe9cc77
Manifest9c4322c5b1fe32f87a8ecf62cb7ebe265b7126e18f0650eff822d1968a06499c

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
Signature/8140KInO8LZPjq0c0nLY0GUMlo0em5APLHLnm3VqYlCa+KOtqLY1PVFvhKhFR5hcwIMaHwySN21Q4Obv3kJAQ==
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

2026-09-17T10:36:51.264230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063830
observed 73de2a7622802aa6f5b257af3c16c182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.246721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063830/manifest.json
observed 9c4322c5b1fe32f87a8ecf62cb7ebe26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.228994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063830/publication.md
observed 74100c48e4b2f45dcf042aecfeb1d317...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.211161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063830/publication.txt
observed d353f18248c305bf469f535ed0081de9...
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.