Pith Number

pith:WWMRL43Y

pith:2023:WWMRL43YK2CPNXFHT4PFPA4LXX

not attested not anchored not stored refs pending

The African Biophysics Landscape: A Provisional Status Report

B. Trevor Sewell, Lawrence Norris, Tjaart P.J. Kr\"uger

arxiv:2303.14456 v1 · 2023-03-25 · physics.ed-ph · physics.bio-ph · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WWMRL43YK2CPNXFHT4PFPA4LXX}

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	2026-07-05T05:54:41.930237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b59915f3785684f6dca79f1e57838bbde1d36b38347d55837f762208e0cc0e4c

Aliases

arxiv: 2303.14456 · arxiv_version: 2303.14456v1 · doi: 10.48550/arxiv.2303.14456 · pith_short_12: WWMRL43YK2CP · pith_short_16: WWMRL43YK2CPNXFH · pith_short_8: WWMRL43Y

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/WWMRL43YK2CPNXFHT4PFPA4LXX \
  | 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: b59915f3785684f6dca79f1e57838bbde1d36b38347d55837f762208e0cc0e4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02ef006f2137965d586ead94166c1820e2a5af67673977729928e9bd6f913f32",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "physics.soc-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2023-03-25T12:34:09Z",
    "title_canon_sha256": "be5ecca9d4a847fdca439bd8672e1079252722be979279f1d12783291f181f53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.14456",
    "kind": "arxiv",
    "version": 1
  }
}