OpenTechnical

OT-2026-000084274

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000084274) never changes.

Identity and time

Publication numberOT-2026-000084274 · never reused
Internal UUID01a0ae98-5b60-7f7b-a7df-16a4562562be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084274
StatusPUBLIC

Content hashes

Canonical text03044620c0cefca8753666156e1b61d961eebb9f678e3f7f90755cc9d8d7823d
Markdown6af3383b05480392fc648eb62120c8f2034f9b299013805decb2e4c2ba030633
PDF
Publication pagee34764cd66364140ec01437ac3ab0d99fe7109a5c0119e2bd7c4750e5e974722
Manifest096be1d7f1be5b5335ac79415ac17ed6204a1a35afd1ad06e84875cdcab6ce6f

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
SignaturebGK1my47sjZOwpkCpwtgIA4Sp0yKGEMy8WQgAf1o8es/RurhxHSHGcEg8l/uAB0ywSMtJB+49I711bKnAK7MDQ==
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

2026-09-17T09:56:11.490461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084274
observed e34764cd66364140ec01437ac3ab0d99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.471874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084274/manifest.json
observed 096be1d7f1be5b5335ac79415ac17ed6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.454072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084274/publication.md
observed 6af3383b05480392fc648eb62120c8f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.433617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084274/publication.txt
observed 03044620c0cefca8753666156e1b61d9...
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.