OpenTechnical

OT-2026-000051075

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000051075) never changes.

Identity and time

Publication numberOT-2026-000051075 · never reused
Internal UUID01a0ae82-c7b5-7d47-85b7-19d1d1c6108b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051075
StatusPUBLIC

Content hashes

Canonical text1145f97023fcdd02a4edd2d33ac0e4a89d0ee08cbef4fe17a8a753aaea9d8b1e
Markdownb4d2158182278e31b93dc445ecfb1d568ad3812f3a4198874df0ec1545d19978
PDF
Publication page4d52029ca140084ca134ca8057691fd4d5f036556b4d10fba614eec45dcff319
Manifest733654c35695558a0159cdfe7d1fecd77ff51e1e1ebdf53799be55007d119404

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
SignatureriQdzK2kJp7xBSXQKdrVWE9/Mi5NTuyCFlNgf2iLliiSJgDkAJzRu0i+SgDly/GXtws2gNb7lkNBQfcbMkhIDQ==
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

2026-09-17T11:01:00.468992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051075
observed 4d52029ca140084ca134ca8057691fd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:00.448462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051075/manifest.json
observed 733654c35695558a0159cdfe7d1fecd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:00.428191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051075/publication.md
observed b4d2158182278e31b93dc445ecfb1d56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:00.409510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051075/publication.txt
observed 1145f97023fcdd02a4edd2d33ac0e4a8...
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.