OpenTechnical

OT-2026-000032100

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000032100) never changes.

Identity and time

Publication numberOT-2026-000032100 · never reused
Internal UUID01a0ae74-bad3-7e28-935c-72d7146945a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032100
StatusPUBLIC

Content hashes

Canonical textc8d084cb9752e04aa09855d09319b0b9219c7257dd6ec6156c852d5977d04194
Markdownc59b7344963d643b351a664e40994b6d9ee78730eb319a6890205987e1963772
PDF
Publication pagec89ba281cd2f7feddc9f0535090a03a13573c64a8ba9ee3a37b4d8e7df5c4d59
Manifest433e8331e269a06c3856af5e2e4a948a445597bb56894e6c71143fd5558b73c5

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
SignatureMqDkakoYxQCEPPy2C/rvZxYKJb44HHFffJnO4S3x+7S+yWTWosBzt0VV3HbmkY3kU8CUfm+hiLkmQauGUz9/Bw==
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

2026-09-17T11:35:31.622709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032100
observed c89ba281cd2f7feddc9f0535090a03a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:31.605430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032100/manifest.json
observed 433e8331e269a06c3856af5e2e4a948a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:31.587774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032100/publication.md
observed c59b7344963d643b351a664e40994b6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:31.571122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032100/publication.txt
observed c8d084cb9752e04aa09855d09319b0b9...
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.