OpenTechnical

OT-2026-000049012

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000049012) never changes.

Identity and time

Publication numberOT-2026-000049012 · never reused
Internal UUID01a0ae81-134c-7ce1-8300-9542e451666d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049012
StatusPUBLIC

Content hashes

Canonical text0160ee3d96749615623a90e26639e7dbb087ed93429f1c76fabbecadbe979c27
Markdown1c08095f305f7d6ea655e210a03f71dcfd1040821db301d6fb184158fffbe4b4
PDF
Publication page6a30fcdf324bf38b70815a6d44304ac1d86c4c0ba32ae6caafe10317bee17ec0
Manifest943e0f6f4cd284210e561199a0b2390666cc247c83f50eb20f9919ec5c2e4dc7

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
SignaturePSdi4SmQvW20S2AriUMiSZ86PuJYTGJhpFRD9qmTXyUvHxPGs62Mtug4LGGDwcfnB35YHWJ2JDdHsTUpaV2QAA==
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

2026-09-17T11:03:13.560004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049012
observed 6a30fcdf324bf38b70815a6d44304ac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:13.542194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049012/manifest.json
observed 943e0f6f4cd284210e561199a0b23906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:13.524219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049012/publication.md
observed 1c08095f305f7d6ea655e210a03f71dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:13.506359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049012/publication.txt
observed 0160ee3d96749615623a90e26639e7db...
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.