OpenTechnical

OT-2026-000048387

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two 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-2026-000048387) never changes.

Identity and time

Publication numberOT-2026-000048387 · never reused
Internal UUID01a0ae80-4de4-7f46-83b2-effe9d0102ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048387
StatusPUBLIC

Content hashes

Canonical text5f69b015f02324aaff29cd3d13073caeee712aa68170136b02361808ba348827
Markdown2861605027ae1eda8e09a667b12c0e0db7fca116a827fcbab43354e6dd0af8e8
PDF
Publication paged63e86b213efa0de8646dc6d059299034f9a4be43832076c272ec33f8c1972aa
Manifest840c137b806e994833c16a6d6354b16905633005a959ff7b00e5c47d2c8445df

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
SignatureQkkiN0NrmX0/3wGyUAPxKjAN7LnGtFbh674Chx8d5EUPwBNIZhzZokqx12b9imP1Z9ugYQm4/zou3MMN3P8TDQ==
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

2026-09-17T11:05:01.104800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048387
observed d63e86b213efa0de8646dc6d05929903...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:01.083746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048387/manifest.json
observed 840c137b806e994833c16a6d6354b169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:01.063478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048387/publication.md
observed 2861605027ae1eda8e09a667b12c0e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:01.043885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048387/publication.txt
observed 5f69b015f02324aaff29cd3d13073cae...
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.