Pith Number

pith:42OZKAIK

pith:2016:42OZKAIKOHPOJY7T7Y6EVHCMC4

not attested not anchored not stored refs pending

Modeling the spread of the Zika virus using topological data analysis

Briton Park, Derek Lo

arxiv:1612.03554 v4 · 2016-12-12 · q-bio.PE · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{42OZKAIKOHPOJY7T7Y6EVHCMC4}

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	2026-05-18T00:52:03.668797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e69d95010a71dee4e3f3fe3c4a9c4c1735b432f0a91734c68397b6da45761ff7

Aliases

arxiv: 1612.03554 · arxiv_version: 1612.03554v4 · doi: 10.48550/arxiv.1612.03554 · pith_short_12: 42OZKAIKOHPO · pith_short_16: 42OZKAIKOHPOJY7T · pith_short_8: 42OZKAIK

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/42OZKAIKOHPOJY7T7Y6EVHCMC4 \
  | 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: e69d95010a71dee4e3f3fe3c4a9c4c1735b432f0a91734c68397b6da45761ff7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5f93873f696ce371e602862a841e999c4f76471340d8e8921c2eac45421a729",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2016-12-12T06:37:04Z",
    "title_canon_sha256": "b9d9da1f8a6d3a0b311680ef4adf887205733c48e9b79857a2615a6d3bfc54bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.03554",
    "kind": "arxiv",
    "version": 4
  }
}