Pith Number

pith:SPNIKR2J

pith:2015:SPNIKR2JVV7FIXSAIP6D5JERZF

not attested not anchored not stored refs pending

On inferring structural connectivity from brain functional-MRI data

Donna Xu, Sanjay Chawla, Somwrita Sarkar

arxiv:1502.06659 v1 · 2015-02-24 · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPNIKR2JVV7FIXSAIP6D5JERZF}

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	2026-05-18T02:26:29.503226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93da854749ad7e545e4043fc3ea491c95caadd766d0b5ecd2f9101ea51f7cf79

Aliases

arxiv: 1502.06659 · arxiv_version: 1502.06659v1 · doi: 10.48550/arxiv.1502.06659 · pith_short_12: SPNIKR2JVV7F · pith_short_16: SPNIKR2JVV7FIXSA · pith_short_8: SPNIKR2J

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/SPNIKR2JVV7FIXSAIP6D5JERZF \
  | 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: 93da854749ad7e545e4043fc3ea491c95caadd766d0b5ecd2f9101ea51f7cf79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a700281b704266016c852b5d7a7f67e2c18432166851c59a254517279392c962",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2015-02-24T00:20:14Z",
    "title_canon_sha256": "9a838b2b19078a990b8a3a8146986543e409f3f4dc07c7049e433c434b3d0c57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06659",
    "kind": "arxiv",
    "version": 1
  }
}