OpenTechnical

OT-2026-000011247

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000011247) never changes.

Identity and time

Publication numberOT-2026-000011247 · never reused
Internal UUID01a0ae6c-5410-73cc-b587-6f9015a91dc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011247
StatusPUBLIC

Content hashes

Canonical text9ba33b81c9d9d5671c7e7bac5ea9b99cb9b4bc87be696b81389481f6b777bbd4
Markdown6cc8c0a544679e236aec085d692aaa0bf006f6c284f9cde7bc9241ea475ab1de
PDF
Publication page556238c6388ef385911870824557aa7aa52b7387150317e17d15c6b5f5355943
Manifest6b24028dc438f7020a835694dfa7977a311945c47035d5b5631e33ba3eee04a9

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
SignatureGsopsJaLjDdIOJGMIXRHuaGXuyfBTtGkFwcDjIiQOEy5rWvmWy4rgh/vZoAN2vT/tPSNj3ZTKZic8DpMsoZdAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:14:12.788225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011247
observed 556238c6388ef385911870824557aa7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:12.769800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011247/manifest.json
observed 6b24028dc438f7020a835694dfa7977a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:12.749948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011247/publication.md
observed 6cc8c0a544679e236aec085d692aaa0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:12.730641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011247/publication.txt
observed 9ba33b81c9d9d5671c7e7bac5ea9b99c...
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.