OpenTechnical

OT-2026-000043905

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000043905) never changes.

Identity and time

Publication numberOT-2026-000043905 · never reused
Internal UUID01a0ae7b-d678-73f9-ab47-d116b5a6a208 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043905
StatusPUBLIC

Content hashes

Canonical text3ca5ba398b85df17c624725bf8983221b55a5e43087fbed90fea44fb6e189111
Markdown2343063c78c19140db54a2a9e68cbba716628c1b2f38f520ebaf8dc5d7b622af
PDF
Publication page9c4ff03d4927958dd6489c2ffe844c9b8e39c70fc51ca9fb704b9b7031f8f421
Manifest7deb0dca901b4888d6ee81aeeee8156c0f072c99011b9412f0570a9eae38ad15

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
Signature9T9Mg8K9nkRNd0MEYbH8lAEkfhNq1Q86y0+zPr9YP4i2plxoVE9UK5VuDySFR1lupsLnuKStaIXNauvZjS8MDA==
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

2026-09-17T11:12:14.626512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043905
observed 9c4ff03d4927958dd6489c2ffe844c9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:14.603559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043905/manifest.json
observed 7deb0dca901b4888d6ee81aeeee8156c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:14.583427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043905/publication.md
observed 2343063c78c19140db54a2a9e68cbba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:14.564198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043905/publication.txt
observed 3ca5ba398b85df17c624725bf8983221...
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.