OpenTechnical

OT-2026-000103936

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pulsed blow-off 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-2026-000103936) never changes.

Identity and time

Publication numberOT-2026-000103936 · never reused
Internal UUID01a0aea5-15e7-74f6-b896-7fcbb73f5b5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103936
StatusPUBLIC

Content hashes

Canonical textd91a426a41902c91f953a0869fdbc42b98e4db9bb30d3e23b580a29a6394e953
Markdown475860ee19be8788390873d329497356fa0884585df536c6987aef4b598e8895
PDF
Publication paged58114195386d4a8be9eb73828ebd1f1386394bb7144eda70bb367d517b1cd37
Manifest3dd0501669814bdb52f152f1801bec553642b106c970e6e86a1d9e5d33f134c7

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
SignaturenH3RDlj98+CCESI5Xyi8eClcRXb82d5VNMxIk0IigZYiT8rKd79FDy5xoFcTOcH9608XxtJD9D1StZv6c0RvAw==
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

2026-09-17T09:21:56.103607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103936
observed d58114195386d4a8be9eb73828ebd1f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:56.085512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103936/manifest.json
observed 3dd0501669814bdb52f152f1801bec55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:56.068391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103936/publication.md
observed 475860ee19be8788390873d329497356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:56.050773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103936/publication.txt
observed d91a426a41902c91f953a0869fdbc42b...
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.