Pith Number

pith:V2ZKUYVI

pith:2017:V2ZKUYVIH7EQTYKZKWUT4BZLGW

not attested not anchored not stored refs pending

Promise and pitfalls of g-ratio estimation with MRI

G. Bruce Pike, Ilana R. Leppert, Jennifer S. W. Campbell, Julien Cohen-Adad, Mathieu Boudreau, Nikola Stikov, Sridar Narayanan, Tanguy Duval

arxiv:1701.02760 v2 · 2017-01-10 · physics.med-ph · physics.bio-ph · 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{V2ZKUYVIH7EQTYKZKWUT4BZLGW}

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	2026-05-18T00:36:43.596587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aeb2aa62a83fc909e15955a93e072b358ca245a5a4e88e99e3516227e3f47e64

Aliases

arxiv: 1701.02760 · arxiv_version: 1701.02760v2 · doi: 10.48550/arxiv.1701.02760 · pith_short_12: V2ZKUYVIH7EQ · pith_short_16: V2ZKUYVIH7EQTYKZ · pith_short_8: V2ZKUYVI

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/V2ZKUYVIH7EQTYKZKWUT4BZLGW \
  | 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: aeb2aa62a83fc909e15955a93e072b358ca245a5a4e88e99e3516227e3f47e64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35a1346ed9a3a28c5e96ee56213363d88bc71024cc6b41a5a336e285d3a7fa07",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2017-01-10T19:29:34Z",
    "title_canon_sha256": "44b07bf67d152be30798cacbcabbb356e11ad95210a5bb8e733366692993b7dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.02760",
    "kind": "arxiv",
    "version": 2
  }
}