OpenTechnical

OT-2026-000098138

Publication integrity record

Foam pad vacuum gripper, two zone face, four 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-2026-000098138) never changes.

Identity and time

Publication numberOT-2026-000098138 · never reused
Internal UUID01a0aea1-e963-7892-9e51-53ba4040c6a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098138
StatusPUBLIC

Content hashes

Canonical textf691de77d64d96f7a92b8314a7be3f40037cc0fd5dfcb693862e538561429cd8
Markdown83328416645b68c87d14935198fba48e8b5a3c0ee89e363473216c9b820c2d1e
PDF
Publication page37e60acad5d7f9c74079ac037875550f4f1378909b51983bd7c108095871aeb0
Manifest9ef1498d0853dbbeca73a0fa50a022a66edcc5da555f88defd1c4706fb3b84c8

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
SignatureWDrRKxHHksRqjUtHqaQjbBRzHwx+6e0bukLbsc/9XiG9pcHZw/gj9AbaUicWihgoq6yT8E0ZKA0XgYUneQM0Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:17.058000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098138
observed 37e60acad5d7f9c74079ac037875550f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:17.040034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098138/manifest.json
observed 9ef1498d0853dbbeca73a0fa50a022a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:17.022685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098138/publication.md
observed 83328416645b68c87d14935198fba48e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:17.004215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098138/publication.txt
observed f691de77d64d96f7a92b8314a7be3f40...
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.