OpenTechnical

OT-2026-000063396

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000063396) never changes.

Identity and time

Publication numberOT-2026-000063396 · never reused
Internal UUID01a0ae8c-f944-77ae-bc9a-6cc02aaef027 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063396
StatusPUBLIC

Content hashes

Canonical text78b88669bb24070ea2ea00eb754184ecbc5adba1b76ceefd7213edd1372c1722
Markdown8357bc61f0068bc7023eb5ac7374314fb9aec8af90b6bb12cd3819e89c66a021
PDF
Publication pagec4177c1e882581dedae74f05dfe0af70e37608d11ca38bd2da0f11e7b1039840
Manifestafcbb4e8ad36376ce846a53c408ac090d89540a0daffa19cd6d62b030cc73ed5

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
SignaturebS+L+K8Mn7smrWRFmahpNq0IsX0qZHnuNR5KWB4vudMJtpfucCU3nbDSMOapnUpmjVr46HdcevWkhzK3cUGFDA==
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

2026-09-17T10:37:18.802725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063396
observed c4177c1e882581dedae74f05dfe0af70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:18.786576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063396/manifest.json
observed afcbb4e8ad36376ce846a53c408ac090...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:18.769163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063396/publication.md
observed 8357bc61f0068bc7023eb5ac7374314f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:18.750500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063396/publication.txt
observed 78b88669bb24070ea2ea00eb754184ec...
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.