Pith Number

pith:7TDC6MGP

pith:2019:7TDC6MGPURVZX2IHDNWYYH2KQ6

not attested not anchored not stored refs pending

Sex and Coevolution

Larry Bull

arxiv:1903.07429 v1 · 2019-03-15 · q-bio.PE · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7TDC6MGPURVZX2IHDNWYYH2KQ6}

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	2026-05-17T23:51:01.446912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcc62f30cfa46b9be9071b6d8c1f4a87abf477494eb50bc772f76d157446db9c

Aliases

arxiv: 1903.07429 · arxiv_version: 1903.07429v1 · doi: 10.48550/arxiv.1903.07429 · pith_short_12: 7TDC6MGPURVZ · pith_short_16: 7TDC6MGPURVZX2IH · pith_short_8: 7TDC6MGP

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/7TDC6MGPURVZX2IHDNWYYH2KQ6 \
  | 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: fcc62f30cfa46b9be9071b6d8c1f4a87abf477494eb50bc772f76d157446db9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b015f013a459be717ae96150da70bd4e5640dc45cad721ba02913fa2aecddaa4",
    "cross_cats_sorted": [
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2019-03-15T15:12:43Z",
    "title_canon_sha256": "c305e29827a22fea6507afbbc46c9b7a4827f2c4208d1ca471b769fba3cde5a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07429",
    "kind": "arxiv",
    "version": 1
  }
}