Pith Number

pith:G2WIRBPA

pith:2003:G2WIRBPAJRNZGF2XB2PM3DMTNH

not attested not anchored not stored refs pending

A theory of Plasma Membrane Calcium Pump stimulation and activity

Frido Erler, Michael Graupner, Michael Meyer-Hermann

arxiv:physics/0306121 v3 · 2003-06-14 · physics.bio-ph · q-bio.BM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G2WIRBPAJRNZGF2XB2PM3DMTNH}

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	2026-05-18T02:35:07.514667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36ac8885e04c5b9317570e9ecd8d9369c6957aed3c2df3b6460d46dbe7c5b987

Aliases

arxiv: physics/0306121 · arxiv_version: physics/0306121v3 · doi: 10.48550/arxiv.physics/0306121 · pith_short_12: G2WIRBPAJRNZ · pith_short_16: G2WIRBPAJRNZGF2X · pith_short_8: G2WIRBPA

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/G2WIRBPAJRNZGF2XB2PM3DMTNH \
  | 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: 36ac8885e04c5b9317570e9ecd8d9369c6957aed3c2df3b6460d46dbe7c5b987

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d60d29c2bcc5a00cab78432855ae5d7dbac811501134de722524151660558da",
    "cross_cats_sorted": [
      "q-bio.BM"
    ],
    "license": "",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2003-06-14T10:42:35Z",
    "title_canon_sha256": "13e7400ef336e4803d82e6ef97be83424748c4e15156b252009e585023378652"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0306121",
    "kind": "arxiv",
    "version": 3
  }
}