OpenTechnical

OT-2026-000014988

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000014988) never changes.

Identity and time

Publication numberOT-2026-000014988 · never reused
Internal UUID01a0ae6d-d096-76b7-bcff-72d0e11742e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014988
StatusPUBLIC

Content hashes

Canonical text78b6ddefb84e55a933168122acac752ab84b78dd9935790ffabdb22107a7c863
Markdowncfb6fad8fadc5d6e7cd47a85fa69ef38d58f4c7a6a5f21f7edf5850338918f07
PDF
Publication pagebfbfee454b53386e6bb15b7df10e77b46a7164919575da37b40f79b2fc32a38c
Manifest7840163b681953bf8d926ad3b0e8cc4edcea7d1e806ae58cf04e4d5877b3702f

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
SignatureOTacuJ5c90Bwm7EMSJkYrQe1xIoCTX+kD+UW0L3M3dgLPQ+MyoVukL79oD46sSiZ1fPoQ1kTveREZg6re87eCQ==
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

2026-09-17T12:06:57.017414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014988
observed bfbfee454b53386e6bb15b7df10e77b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:56.999100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014988/manifest.json
observed 7840163b681953bf8d926ad3b0e8cc4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:56.979904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014988/publication.md
observed cfb6fad8fadc5d6e7cd47a85fa69ef38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:56.960493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014988/publication.txt
observed 78b6ddefb84e55a933168122acac752a...
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.