OpenTechnical

OT-2026-000085564

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single 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-2026-000085564) never changes.

Identity and time

Publication numberOT-2026-000085564 · never reused
Internal UUID01a0ae99-aaac-7cd9-aaa1-529166de72d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085564
StatusPUBLIC

Content hashes

Canonical textb9545ea8d74e85c288ee920820aa6ef0a7ba33d16aec4fd873228aa7a5ef3de3
Markdown4ba4c0a0bccba7681ccd7bd2e121c5916c845d8e51e9717210ffde66eab94f1c
PDF
Publication page184ff80cd076f15aff7e6118c18f2aef2857c1b8c8f726eafe693cbbf75b7d19
Manifestd54f274479f098dca126f552999511219ace1272e2cebd6f623525ff00b65708

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
SignatureRSY3OArXRkNCeF/DqA7/ASBnAfLZsLHksH7NMR8t5uSzfGwOppUU+At3rIjVO3wTpzeIq+Ywy1sfCwRvmNmOCg==
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

2026-09-17T09:54:23.148013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085564
observed 184ff80cd076f15aff7e6118c18f2aef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:23.129138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085564/manifest.json
observed d54f274479f098dca126f55299951121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:23.111740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085564/publication.md
observed 4ba4c0a0bccba7681ccd7bd2e121c591...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:23.079572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085564/publication.txt
observed b9545ea8d74e85c288ee920820aa6ef0...
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.