Pith Number

pith:DJ3BPSSN

pith:2014:DJ3BPSSNIZS4GNC3VBLYMFHBMF

not attested not anchored not stored refs pending

Spatial heterogeneity in drug concentrations can facilitate the emergence of resistance to cancer therapy

Feng Fu, Martin A. Nowak, Sebastian Bonhoeffer

arxiv:1411.6684 v1 · 2014-11-24 · q-bio.PE · q-bio.TO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DJ3BPSSNIZS4GNC3VBLYMFHBMF}

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	2026-05-18T01:35:11.717020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a7617ca4d4665c3345ba8578614e1615a8190608b905a27eb308ebe16293d17

Aliases

arxiv: 1411.6684 · arxiv_version: 1411.6684v1 · doi: 10.48550/arxiv.1411.6684 · pith_short_12: DJ3BPSSNIZS4 · pith_short_16: DJ3BPSSNIZS4GNC3 · pith_short_8: DJ3BPSSN

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/DJ3BPSSNIZS4GNC3VBLYMFHBMF \
  | 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: 1a7617ca4d4665c3345ba8578614e1615a8190608b905a27eb308ebe16293d17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d422fcb9950885883e3c22fcabd31bf067fa0103354dd80d867205ffe2974c6d",
    "cross_cats_sorted": [
      "q-bio.TO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2014-11-24T23:19:50Z",
    "title_canon_sha256": "59fc0aba90563b43cd76388ad3c7aa7c242e72013802843c7e04457dd7c3e1a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.6684",
    "kind": "arxiv",
    "version": 1
  }
}