OpenTechnical

OT-2026-000041578

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000041578) never changes.

Identity and time

Publication numberOT-2026-000041578 · never reused
Internal UUID01a0ae79-e8a0-74de-bb8e-a5040fc01224 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041578
StatusPUBLIC

Content hashes

Canonical text2dd96c87b66d454a4e48c376d2df610e5dc79b94c953db029b155820162fe503
Markdownd84c6c00341d6a4fbd76432a8a7e3fefc3fde00e32354804b8d942338a6a92ef
PDF
Publication page023ac3f703641b2313e3a467ad841c05670514237130d9fa148a5e0e0360e268
Manifestd6c349114d3d45e03f80058c183da2cc5a2eb07c6be55fe892885f521ea1f8f3

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
SignatureZj55rER8RvoDamcWBghpk+qYl7D2LDx8MDILdLjuv7pP38oUMfpyqyTZJVWW6XawNTLh90MjW7fak84tcRNvDw==
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

2026-09-17T11:16:21.742007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041578
observed 023ac3f703641b2313e3a467ad841c05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.725399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041578/manifest.json
observed d6c349114d3d45e03f80058c183da2cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.707440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041578/publication.md
observed d84c6c00341d6a4fbd76432a8a7e3fef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.689363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041578/publication.txt
observed 2dd96c87b66d454a4e48c376d2df610e...
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.