OpenTechnical

OT-2026-000080871

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, sustained 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-2026-000080871) never changes.

Identity and time

Publication numberOT-2026-000080871 · never reused
Internal UUID01a0ae96-b974-70aa-860e-c248c200c65d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080871
StatusPUBLIC

Content hashes

Canonical textd9e83404418b82451f4645dabdeb893868046343af1f9301c61a6207e374782e
Markdown40032f5e4f6b889dbf03e027875dddca72b61c10d9a811a2f69fece33f9ba3cf
PDF
Publication pagef244494eda2775c530e63feb7874ad00c5d3d5c6b38292a47a9d752c99115e59
Manifestf4d02c42603351e494bc396f6a1163d0453a0648b56da9bb16aba3e7305433b8

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
Signature9NYmZ95Vse+qSJa6ey9ZsROZt9CPMnazs9dHvMYV2/XhZQ48jgyHimsGKHgvR/PBGxe1s97aOBzN31PNp1zSAw==
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

2026-09-17T10:02:04.083413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080871
observed f244494eda2775c530e63feb7874ad00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:04.065557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080871/manifest.json
observed f4d02c42603351e494bc396f6a1163d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:04.047028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080871/publication.md
observed 40032f5e4f6b889dbf03e027875dddca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:04.028434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080871/publication.txt
observed d9e83404418b82451f4645dabdeb8938...
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.