OpenTechnical

OT-2026-000047963

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000047963) never changes.

Identity and time

Publication numberOT-2026-000047963 · never reused
Internal UUID01a0ae7f-c422-73d9-9d5a-f9d5f52550dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047963
StatusPUBLIC

Content hashes

Canonical text7ae373247e28e9fae63d0693c2c50a808689c594fe0abec9d2c577aa0d7dc25d
Markdown7e6bb998d2b17abc7c9cbc21eba2668583b515b97bfac35b9e3e98facc1de42b
PDF
Publication page47bad2b6b389c933796b383cc405b4ec8da1e7386c44b7c3992652d41935d02a
Manifest4f8221c558489062381c8e9515310f3205ffcbea1d15ea9423a5b982810ea044

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
SignatureQzohPn6luee67317C5oAcjWI05s2R1HtwuDcJ7bvearXKi6sBE2xQiqRo5eN5pjcEpapcWtLadllWuWcmAC6Dw==
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

2026-09-17T11:05:56.313879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047963
observed 47bad2b6b389c933796b383cc405b4ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:56.297346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047963/manifest.json
observed 4f8221c558489062381c8e9515310f32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:56.278775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047963/publication.md
observed 7e6bb998d2b17abc7c9cbc21eba26685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:56.258624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047963/publication.txt
observed 7ae373247e28e9fae63d0693c2c50a80...
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.