OpenTechnical

OT-2026-000039902

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000039902) never changes.

Identity and time

Publication numberOT-2026-000039902 · never reused
Internal UUID01a0ae78-d8d6-7875-ae91-4ae89a7e77e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039902
StatusPUBLIC

Content hashes

Canonical text1b27ee16a89a8539d289fd852df98a4c41485ea266739fbd0d506b5a36cbec87
Markdowna463cc5847a5426d774fda43610073d8eb7d8593bf36e55897f13650c30a0e94
PDF
Publication page226d14e6bd7db15c1fa356f09bdbfac4d570bc269cebe1374efe1098514b9446
Manifest1a17459796ea5a4d29e2bec079db7d8aa7fe27a8b353535a60304778924ebff6

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
Signature/ISwLe7G8EysYrs49rGK4PxPPlw2wv/5fGQXpbbFcM5MxnDBjjUetc0+cubDAIjQ55smVtUp1oVSeSc217V2Aw==
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

2026-09-17T11:20:11.627259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039902
observed 226d14e6bd7db15c1fa356f09bdbfac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.608528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039902/manifest.json
observed 1a17459796ea5a4d29e2bec079db7d8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.591787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039902/publication.md
observed a463cc5847a5426d774fda43610073d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.575359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039902/publication.txt
observed 1b27ee16a89a8539d289fd852df98a4c...
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.