OpenTechnical

OT-2026-000070480

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000070480) never changes.

Identity and time

Publication numberOT-2026-000070480 · never reused
Internal UUID01a0ae91-545f-7933-b42b-cff897b203f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070480
StatusPUBLIC

Content hashes

Canonical texta35b78d7f66b599ad2ee02d6b9243673742523a780fc0e60cda1ea2ab162977d
Markdown9ff0f62ab23e9f153e6f038e2420a43199713e00659e56bb2275458b1b40886d
PDF
Publication pagebf1294eb53f33d548b86cecfa85a5e8d8db8e664d1acdb9de467992aa1c9ba2c
Manifest50c09769a81c661a6525ef342106f8fb2df577e2183357d19594f025115cf366

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
SignaturemYY7l2VcvM/peQYsCHCpP1lk0kZ7fm25z2Var4sEpWIcTlsStynGCjpjo8D9t8YhOe7Dt5GMKsqy1xILRV5ECA==
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

2026-09-17T10:26:18.829780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070480
observed bf1294eb53f33d548b86cecfa85a5e8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:18.813612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070480/manifest.json
observed 50c09769a81c661a6525ef342106f8fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:18.798518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070480/publication.md
observed 9ff0f62ab23e9f153e6f038e2420a431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:18.782325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070480/publication.txt
observed a35b78d7f66b599ad2ee02d6b9243673...
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.