OpenTechnical

OT-2026-000030580

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, 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-2026-000030580) never changes.

Identity and time

Publication numberOT-2026-000030580 · never reused
Internal UUID01a0ae73-e505-7ca4-963f-1646f29bf88d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030580
StatusPUBLIC

Content hashes

Canonical textbc8c6d7b91779503605d36381c990fada046217391712d28399c2360eb16f363
Markdown9440fdad9c80efbd6464d84b399434246594ca3085522e344330d294be4d71c1
PDF
Publication page320bbce98528c87f635a5de27cd38c75c86cedd4c68e7a7aff12b9f29edc8a3b
Manifest40f31a04bcd3be115948be4cc45854eabb1af61efbd3e2b317362d63340c540f

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
SignaturenGXHfgvFmvmsYQAH6FZ7UL44IyCmlwH5pVF+ftc4GiY1RE29yYtWqtrfCgmqu/TisQHTy7LjtrpWd15SyaOdAQ==
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

2026-09-17T11:38:27.309267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030580
observed 320bbce98528c87f635a5de27cd38c75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:27.290003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030580/manifest.json
observed 40f31a04bcd3be115948be4cc45854ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:27.272448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030580/publication.md
observed 9440fdad9c80efbd6464d84b39943424...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:27.256311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030580/publication.txt
observed bc8c6d7b91779503605d36381c990fad...
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.