OpenTechnical

OT-2026-000044350

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, 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-2026-000044350) never changes.

Identity and time

Publication numberOT-2026-000044350 · never reused
Internal UUID01a0ae7c-39d6-7ab0-8212-40120c25a28b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044350
StatusPUBLIC

Content hashes

Canonical text6f8b14c029f5ada3ff3da6ae9d0c91754b18a275ec0ed41eae84441fc56edf25
Markdowna9f574828aa387be8ed8357f699d7cd1a8d45b37082197089693e8a1bb044b97
PDF
Publication pagebc9d048cb364c5b6ff82ccd18f7c89cd4f2748861343d492033a661fd5fb5cc5
Manifest6b5eef3a63eb6fe658f6f9b8296895b0534a4e9d62fee7e96d900415ad9285b2

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
Signature3YA9ylDJC1epSXswF//FHOAEhNMrPrZzdROmOSb6gz0pI6EkgYD31gaA1/iY6LzRTffE4SWpz7UBpVDv2uATAg==
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

2026-09-17T08:30:27.013099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044350
observed bc9d048cb364c5b6ff82ccd18f7c89cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:26.996658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044350/manifest.json
observed 6b5eef3a63eb6fe658f6f9b8296895b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:26.978785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044350/publication.md
observed a9f574828aa387be8ed8357f699d7cd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:26.960928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044350/publication.txt
observed 6f8b14c029f5ada3ff3da6ae9d0c9175...
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.