Pith Number

pith:I2KJEIFD

pith:2015:I2KJEIFD7FUKX74CCDNO6M26ZQ

not attested not anchored not stored refs pending

Modeling Spatial Invasion of Ebola in West Africa

Jeremy P D'Silva, Marisa C. Eisenberg

arxiv:1507.08367 v2 · 2015-07-30 · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I2KJEIFD7FUKX74CCDNO6M26ZQ}

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	2026-05-18T01:13:40.151859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46949220a3f968abff8210daef335ecc08282e6ddd6c0e76fd50a57184e9711b

Aliases

arxiv: 1507.08367 · arxiv_version: 1507.08367v2 · doi: 10.48550/arxiv.1507.08367 · pith_short_12: I2KJEIFD7FUK · pith_short_16: I2KJEIFD7FUKX74C · pith_short_8: I2KJEIFD

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/I2KJEIFD7FUKX74CCDNO6M26ZQ \
  | 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: 46949220a3f968abff8210daef335ecc08282e6ddd6c0e76fd50a57184e9711b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e8e569358951b8a06eb890c329354f2994c61682eda639773a511258a8e6a34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2015-07-30T03:40:25Z",
    "title_canon_sha256": "d47ba476e3feb3915a6840a0ac1a547450203fe07c669f7e3a8f9f35c310ea05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08367",
    "kind": "arxiv",
    "version": 2
  }
}