OpenTechnical

OT-2026-000049089

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000049089) never changes.

Identity and time

Publication numberOT-2026-000049089 · never reused
Internal UUID01a0ae81-134d-7030-b832-ba880e51ff47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049089
StatusPUBLIC

Content hashes

Canonical textbf4864d0b22ef32cf9b37be2a5b8e30275b864be77ad970b6518e6b46af90968
Markdown11dbf6aeed0d7b951dadcfadd8536c2602a9619bb397ced134e2a81eb1368e06
PDF
Publication page0f950807a82c5c752c151757d46f5849c5c954e716739e355dbc99501a8d2c4a
Manifest5b8b054e881a9db2b6dbe9e644b99cfab5f28855ac98d91f51a361978a79e348

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
SignaturesJLXmnBZ30lvCc073O0oL8Y4ZU0GoJN3juP5NH0s6lIRzAOTMcjJVQ3ACFta4SofX9jsPpOWJbflS6VPM9UrBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:03:20.128012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049089
observed 0f950807a82c5c752c151757d46f5849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:20.109208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049089/manifest.json
observed 5b8b054e881a9db2b6dbe9e644b99cfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:20.091267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049089/publication.md
observed 11dbf6aeed0d7b951dadcfadd8536c26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:20.071759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049089/publication.txt
observed bf4864d0b22ef32cf9b37be2a5b8e302...
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.