OpenTechnical

OT-2026-000067055

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000067055) never changes.

Identity and time

Publication numberOT-2026-000067055 · never reused
Internal UUID01a0ae8f-14fe-72c6-b007-f5c6756098fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067055
StatusPUBLIC

Content hashes

Canonical text7b49a7821cb34c4ec5d79153e584602473f4da1c74aeccc8d6d9e6c90f49e86c
Markdown6e42951a829c4597c059cc6ddc1da26976fee8748f8724d71b8da97ec0862d92
PDF
Publication page6fcb65a06d2f15fe0cb74aa925794b23dc545bcd1d342a17b30503c37b396000
Manifest9b94ed3177e055034d958a171e2181ed1c89d2fd5e5e067a5ccafe5cb619b458

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
Signatured/nGhsCXzvC0N8jNBMf9hW1k5/p0Ui96r851JVDh3LbWF7KuAT3ep+Eqxcw2j2S+E5vOu//asj8YZIhe7qV7Dw==
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

2026-09-17T10:32:18.804290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067055
observed 6fcb65a06d2f15fe0cb74aa925794b23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:18.784848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067055/manifest.json
observed 9b94ed3177e055034d958a171e2181ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:18.765174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067055/publication.md
observed 6e42951a829c4597c059cc6ddc1da269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:18.746028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067055/publication.txt
observed 7b49a7821cb34c4ec5d79153e5846024...
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.