OpenTechnical

OT-2026-000086294

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000086294) never changes.

Identity and time

Publication numberOT-2026-000086294 · never reused
Internal UUID01a0ae9a-2c95-7f2f-8e71-5d9aec214abb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086294
StatusPUBLIC

Content hashes

Canonical texta101053fd0551450ba012e490d27097adb0ab82528aa2711e66a4e903a658ea5
Markdown3ae1feeca8b63e1504ba41c58697812b20f91bf39fb928dc6f290cb0379f78ac
PDF
Publication page9947017bd75f51459e876033d3895c8ed30d43e1c1627469b59af8f1e33add3c
Manifest9c9325347d3d0bcc8faa9d1301c2b66803273d4d96b5e9d8adba6f205b73957f

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
SignatureeCw1l/awFU9/X1NwyUz+VSPjkyZRNrSYYEe4vw/53KlvjYW0aaGPqSWmUOTdPJogeTvBwV9XmGuqVanTtFyhCg==
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

2026-09-17T09:51:58.313395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086294
observed 9947017bd75f51459e876033d3895c8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.295169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086294/manifest.json
observed 9c9325347d3d0bcc8faa9d1301c2b668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.276912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086294/publication.md
observed 3ae1feeca8b63e1504ba41c58697812b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.259398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086294/publication.txt
observed a101053fd0551450ba012e490d27097a...
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.