Pith Number

pith:NRDDU62H

pith:2018:NRDDU62HZGI2JTGAF6BTAIHEEG

not attested not anchored not stored refs pending

Breaking the bonds of weak coupling: the dynamic causal modelling of oscillator amplitudes

Erik D. Fagerholm, In\^es R. Violante, Karl J. Friston, Robert Leech, Rosalyn J. Moran

arxiv:1812.06315 v1 · 2018-12-15 · q-bio.QM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NRDDU62HZGI2JTGAF6BTAIHEEG}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:58:10.581717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c463a7b47c991a4ccc02f833020e42195b7346748419831eaeadf4ce3d638c7

Aliases

arxiv: 1812.06315 · arxiv_version: 1812.06315v1 · doi: 10.48550/arxiv.1812.06315 · pith_short_12: NRDDU62HZGI2 · pith_short_16: NRDDU62HZGI2JTGA · pith_short_8: NRDDU62H

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NRDDU62HZGI2JTGAF6BTAIHEEG \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6c463a7b47c991a4ccc02f833020e42195b7346748419831eaeadf4ce3d638c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dff9db73ae70ef6077559e17cd4d6a9a6b33f87ab6ece2aa06a1002a318d9245",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2018-12-15T16:26:07Z",
    "title_canon_sha256": "2123c3927c86767c76b7d36859676b751e6107d7566b3fdcf1d2259b7a8682d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.06315",
    "kind": "arxiv",
    "version": 1
  }
}