OpenTechnical

OT-2026-000074082

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000074082) never changes.

Identity and time

Publication numberOT-2026-000074082 · never reused
Internal UUID01a0ae93-2b8f-712d-8f64-ba0c8dd36d4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074082
StatusPUBLIC

Content hashes

Canonical text04a5dd5214a671ba863a311dcbc34b041831600fe5cf95dd1d48caac11b4f512
Markdown4b3c54285b2d8500f079268f0d0b7b751d6c12b4a2e5ccf3068fcda54b218515
PDF
Publication pagea25916deb324daa10d7644613e16de4ae2159dac4298af8bbdc336f938c1dff3
Manifest01ab156b297b7b34cfd8b6bb1010559ff01c38ad0184971e2d4d5f439de1ca0f

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
SignatureqydYb6wJOaW521u90/dZZbpy5Gc7KGBbh8soIuS9CHe8ZqVrzYn/+/Op5LaznK1tKL6s/OcstFxXfONC1XBHAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:59.258423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074082
observed a25916deb324daa10d7644613e16de4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:59.239900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074082/manifest.json
observed 01ab156b297b7b34cfd8b6bb1010559f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:59.221266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074082/publication.md
observed 4b3c54285b2d8500f079268f0d0b7b75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:59.202185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074082/publication.txt
observed 04a5dd5214a671ba863a311dcbc34b04...
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.