OpenTechnical

OT-2026-000017050

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000017050) never changes.

Identity and time

Publication numberOT-2026-000017050 · never reused
Internal UUID01a0ae6e-591b-70a8-aa53-b1296723b55d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017050
StatusPUBLIC

Content hashes

Canonical textc78a5ad9641884987ba14d2ec0b9b948c1103a534e237ca600f0d6c0fc2ab10d
Markdown68c4c93d07266fdc13baf70661b29b230e65a3ffb909ac2223e233303a8a8a1f
PDF
Publication page9ce9f474c471c52b32b6d01e3f2c47ffbe7300b83b124309426d93ae794408a6
Manifest1eb2eefadd723193ec106568fc54887942471d1695dff4e9a236f268a5013b68

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
SignatureSxSBukahn/jETHIVkSuoQV5AOpdYXY3U8bFaJh/hYc2cQQdn/mAC8Xd1bhg/czyeM52zGCKiUDyCFhpbc9RlCg==
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

2026-09-17T12:03:27.996833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017050
observed 9ce9f474c471c52b32b6d01e3f2c47ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:27.978468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017050/manifest.json
observed 1eb2eefadd723193ec106568fc548879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:27.959703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017050/publication.md
observed 68c4c93d07266fdc13baf70661b29b23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:27.941172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017050/publication.txt
observed c78a5ad9641884987ba14d2ec0b9b948...
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.