OpenTechnical

OT-2026-000010691

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000010691) never changes.

Identity and time

Publication numberOT-2026-000010691 · never reused
Internal UUID01a0ae6c-0ee8-7337-9b0f-9c3ee5a70faf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010691
StatusPUBLIC

Content hashes

Canonical textdf9c2e8af2f242ec1e0a1fd440b1d735939857b3fba9afdcf58afcb58c7be7b9
Markdownb5e67b78fccbfae520d9736a6a4fc1f6f2a66c3da8a1aac8da91f9009ed4266f
PDF
Publication page61f4f1ea9c5c24c901d51b117443f5dd56780b57ede9bb8ca9b77a805daaa5e7
Manifestf4a948fe07c9dd9af5b5c250c6ac4444ccb54eea6bebf41edd74e5ff7f77430e

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
SignatureyvOGXEj0Ou1dbItIBamhOuCmb9Yf2q6yPKf/gwtV/SCAmvpuSJXbbJV4llkk4J5/Rx4LkDCTi25BXTbk8ZtODg==
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

2026-09-17T12:14:54.376953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010691
observed 61f4f1ea9c5c24c901d51b117443f5dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:54.357900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010691/manifest.json
observed f4a948fe07c9dd9af5b5c250c6ac4444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:54.334966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010691/publication.md
observed b5e67b78fccbfae520d9736a6a4fc1f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:54.311281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010691/publication.txt
observed df9c2e8af2f242ec1e0a1fd440b1d735...
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.