OpenTechnical

OT-2026-000011948

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, pulsed 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-2026-000011948) never changes.

Identity and time

Publication numberOT-2026-000011948 · never reused
Internal UUID01a0ae6d-1942-74ee-b218-fc65d91430fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011948
StatusPUBLIC

Content hashes

Canonical text424af48277b9ebfe12842ce6738f00814b278864d22272769a0b7c96b91fea7a
Markdown1b184ea184b3a04b65830c51be0bab6a0be6ac7912fd6ec78fc09365bf936ed2
PDF
Publication pageaa491aad4544f67f570d7b5b83135957e4cf7edaecb52c463246e5414d30267d
Manifeste9c069e7b16786d492a0e632d2d700768a0413150d1ee55b896b0953224a2061

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
SignatureNG5PQkJyP1ZarD1+PPLZSlviyXKOKK2S/fh0nHCvGm5EbzmRw7NaP6DXtTjwaD32QkSTTZBzYn94P4PLo8AyAw==
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

2026-09-17T12:12:47.572780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011948
observed aa491aad4544f67f570d7b5b83135957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:47.553016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011948/manifest.json
observed e9c069e7b16786d492a0e632d2d70076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:47.532941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011948/publication.md
observed 1b184ea184b3a04b65830c51be0bab6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:47.514614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011948/publication.txt
observed 424af48277b9ebfe12842ce6738f0081...
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.