OpenTechnical

OT-2026-000049022

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000049022) never changes.

Identity and time

Publication numberOT-2026-000049022 · never reused
Internal UUID01a0ae81-134d-7532-981a-33aad590d764 · 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-2026-000049022
StatusPUBLIC

Content hashes

Canonical texta94cad4b3f57082422d8944bb29b0995b0fd7b3909e1333f66cc1dc227acc38c
Markdownc94ce70536b23c09f84248aed3f0124d29509554855613c415db4d7859019757
PDF
Publication page8207c7290199463bce6d8633f4997da52b07b57a48627bcee72d569d3d1ecb04
Manifestc8b34cf8e0bc268a2e9ce12137fc0e23290894a7bdf83abccc1847e8d53869b3

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
SignatureWCFAUo3TwSRQOPrf9SSMxjhUWB1UsQqT4KGB3jwoHK8qnAyiN/3AHAajcxBDE7iOj05+xU8feb5MbCU+TZhtDg==
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

2026-09-17T11:03:14.392377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049022
observed 8207c7290199463bce6d8633f4997da5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:14.375385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049022/manifest.json
observed c8b34cf8e0bc268a2e9ce12137fc0e23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:14.358981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049022/publication.md
observed c94ce70536b23c09f84248aed3f0124d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:14.342949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049022/publication.txt
observed a94cad4b3f57082422d8944bb29b0995...
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.