OpenTechnical

OT-2026-000084343

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, sustained 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-2026-000084343) never changes.

Identity and time

Publication numberOT-2026-000084343 · never reused
Internal UUID01a0ae98-5b61-7ac1-88f6-0979057235d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084343
StatusPUBLIC

Content hashes

Canonical text319cbf738b96d19ec7e01f815ef1a5f33961736a4ad9e8d333bc5335107f3868
Markdown7dc70826509fa4f7c3ecabe1a88ca59451564cc2612fe918c7c7c9bec7cde196
PDF
Publication page115f66ae13b2c4c57fd3e8f70baa31482310daa82b06fd3e4432109b14a336f8
Manifest7889ed185c24b1ea231449c47ff1883a58f07d9aa325d27f5d873db6f19d6666

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
SignatureU9B6t+ccAeyIPTrFQKVIceZD7ih6hG26FLB4bpFc3bQ3AnKy+nSrkUG2f6hz9dOT3ISjH0PoV5N/F5TyCr3rAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:16.460492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084343
observed 115f66ae13b2c4c57fd3e8f70baa3148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:16.441538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084343/manifest.json
observed 7889ed185c24b1ea231449c47ff1883a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:16.408087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084343/publication.md
observed 7dc70826509fa4f7c3ecabe1a88ca594...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:16.379026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084343/publication.txt
observed 319cbf738b96d19ec7e01f815ef1a5f3...
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.