Pith Number

pith:ERWFMUZ3

pith:2015:ERWFMUZ3UDNNXDZF3ILMV2RVDE

not attested not anchored not stored refs pending

Of fishes and birthdays: Efficient estimation of polymer configurational entropies

Charlie E. Strauss, Ilya Nemenman, Michael E. Wall

arxiv:1502.02364 v1 · 2015-02-09 · q-bio.BM · 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{ERWFMUZ3UDNNXDZF3ILMV2RVDE}

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	2026-05-18T02:20:19.422379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

246c56533ba0dadb8f25da16caea351920b3281f2b1df2b22b67aa14324b8ad9

Aliases

arxiv: 1502.02364 · arxiv_version: 1502.02364v1 · doi: 10.48550/arxiv.1502.02364 · pith_short_12: ERWFMUZ3UDNN · pith_short_16: ERWFMUZ3UDNNXDZF · pith_short_8: ERWFMUZ3

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/ERWFMUZ3UDNNXDZF3ILMV2RVDE \
  | 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: 246c56533ba0dadb8f25da16caea351920b3281f2b1df2b22b67aa14324b8ad9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38388ff6261bd132d5c5f20b57a950377950a30cf81d1107ad675c448c94c654",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.BM",
    "submitted_at": "2015-02-09T05:11:54Z",
    "title_canon_sha256": "e4cd3532526affb1a66872873fa53bf3212273e162b0b5e34fe9de4451e67abb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02364",
    "kind": "arxiv",
    "version": 1
  }
}