OpenTechnical

OT-2026-000064049

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000064049) never changes.

Identity and time

Publication numberOT-2026-000064049 · never reused
Internal UUID01a0ae8d-53bd-780a-9282-b996ad8d10c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064049
StatusPUBLIC

Content hashes

Canonical text9aa5db5a315e341ba033c0a94c29984a4166e16168d1b22030f51e0036212690
Markdown9c442022fd770f4a761d0e1e8f290eede17f61f04d1e70348dffb9b983de7ef2
PDF
Publication paged170c42af21e487327cb45835da7ab0da687c4d57cdb727a4d1ea3c9aba2a6a2
Manifest3d38cab4ecb0e374d85db25e82f77bd85e8e327369c342d05547ad63a47a2a34

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
Signature5tES+zfXhH+OHu4qRqPHBdTH76AinQo16bgKk6DBbqtVNv8fOAIef/544lI4kmBVud7dBBhcY+YK/rX+fQftCA==
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

2026-09-17T10:37:08.526505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064049
observed d170c42af21e487327cb45835da7ab0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:08.505101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064049/manifest.json
observed 3d38cab4ecb0e374d85db25e82f77bd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:08.485379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064049/publication.md
observed 9c442022fd770f4a761d0e1e8f290eed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:08.464365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064049/publication.txt
observed 9aa5db5a315e341ba033c0a94c29984a...
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.