OpenTechnical

OT-2026-000038076

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two 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-2026-000038076) never changes.

Identity and time

Publication numberOT-2026-000038076 · never reused
Internal UUID01a0ae77-f88b-72e3-993d-18307b96cce1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038076
StatusPUBLIC

Content hashes

Canonical textb8d36c8ebff51db61242f9ae0b38a132537e660c55156b76452e20195d66620e
Markdown6897e77dd5e33f6f832236d676705084ec56aa297e126aceea8ece7d02f4b753
PDF
Publication pagee404c6936ba0e628e4b113087b8ce9ee70b34f49fc4f8f320f2047a6aa08c4b8
Manifest795efed8aaa941bad7c2e17a2f29a63dad75f7f9b87384b7e0d650fc9cbd22cd

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
SignatureIIvvFMCC8eEzVZVOEtvkuH9OBQOes1o2yNFHQ8vQ4vkQ9TwJMAdsP+9B8y4v/FqDSkiSvGXmVnZYFougOsxrAA==
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

2026-09-17T11:23:24.186135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038076
observed e404c6936ba0e628e4b113087b8ce9ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:24.168183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038076/manifest.json
observed 795efed8aaa941bad7c2e17a2f29a63d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:24.150066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038076/publication.md
observed 6897e77dd5e33f6f832236d676705084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:24.131967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038076/publication.txt
observed b8d36c8ebff51db61242f9ae0b38a132...
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.