OpenTechnical

OT-2026-000083047

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-2026-000083047) never changes.

Identity and time

Publication numberOT-2026-000083047 · never reused
Internal UUID01a0ae97-c961-7487-bad4-c39115b3f7db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083047
StatusPUBLIC

Content hashes

Canonical text9470471f5f42e4c0007f7a1c4ec100b8312e6eed31ac7af8d3d06645305c2241
Markdown49336a6906210b6f1d1f9ad944c7eb37f0edcd431ae234e08c2265d36168df8d
PDF
Publication pagea5c0a328bb577c994a277b01bc4b4c1e21d2f123d209ec1df9613f270a239fa3
Manifestd11e14a0fd10889d54f6433ed786626eea332d4d9766176b27169747ef166c72

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
Signaturek42MKtcnrjHPWa+8uSRjLA7U/mh0Y+H2Eg9OmkXiq9w71AfWR8wp55yi9jVXF7GMFLx+CxAAVVILPh221ptvBA==
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

2026-09-17T09:00:25.417335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083047
observed a5c0a328bb577c994a277b01bc4b4c1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:25.399996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083047/manifest.json
observed d11e14a0fd10889d54f6433ed786626e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:25.381433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083047/publication.md
observed 49336a6906210b6f1d1f9ad944c7eb37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:25.363472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083047/publication.txt
observed 9470471f5f42e4c0007f7a1c4ec100b8...
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.