OpenTechnical

OT-2026-000038344

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000038344) never changes.

Identity and time

Publication numberOT-2026-000038344 · never reused
Internal UUID01a0ae78-2d52-7fb4-914d-1adcfb966c4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038344
StatusPUBLIC

Content hashes

Canonical text77157d12ebcb8fe5403c9c9008c346946552fdc591e8bc634668cc6ed6176057
Markdown106f92cce689e4e1dd953ab77a60bca2af510df2fe2fc92c6c5e652551a43b75
PDF
Publication page40bae8ed6845ebe7fbf4ad406aacb886098d10dbe493de678eb593e3e5e055df
Manifestf77ddd9d7fb9573668a8bba03bfa96774e72827cbe8bd7f5b876995f7e71e99c

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
SignaturegHJyAifx2QDTdcoBHQOQBFczecOmGZcwatEGts3UMaa/jW2IWKri9wdrkuu13Lrtafa6Bru7gJauudXU5XfKAg==
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

2026-09-17T11:22:31.789343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038344
observed 40bae8ed6845ebe7fbf4ad406aacb886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:31.770425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038344/manifest.json
observed f77ddd9d7fb9573668a8bba03bfa9677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:31.749032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038344/publication.md
observed 106f92cce689e4e1dd953ab77a60bca2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:31.729745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038344/publication.txt
observed 77157d12ebcb8fe5403c9c9008c34694...
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.