OpenTechnical

OT-2026-000064511

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, pulsed blow-off before 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-2026-000064511) never changes.

Identity and time

Publication numberOT-2026-000064511 · never reused
Internal UUID01a0ae8d-a461-7a43-bfa7-b8d774cd0956 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064511
StatusPUBLIC

Content hashes

Canonical text718e41656f6baa52e6409cfdb51aca71030762ead1fc5dd3fdbf8a82c921cc71
Markdowncbecc99bb82343d718cd2a636efee520023af052c8e0eb9c2791c1998c29568f
PDF
Publication page31bba8bc854851586de7270aad89e217c068bfe1806b7fcf287f6c5984ae8104
Manifestc2f6b8a6d43d16280ba061b9fb2e0ebb88eaf93419aefc6b6876b8e82e5207d1

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
SignaturetpsBbI0qDnkvnZ+sTnpcjN5Ayy8QePXYY9ETAReK4l2nSZC9CteLueEA6tOggh9V2aTDzewAd0pDJVPRVlBnBQ==
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

2026-09-17T10:36:43.264065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064511
observed 31bba8bc854851586de7270aad89e217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:43.244309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064511/manifest.json
observed c2f6b8a6d43d16280ba061b9fb2e0ebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:43.227301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064511/publication.md
observed cbecc99bb82343d718cd2a636efee520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:43.208837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064511/publication.txt
observed 718e41656f6baa52e6409cfdb51aca71...
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.