Pith Number

pith:LE6ZBYVF

pith:2015:LE6ZBYVFQVV37CQ4P4RQ5XHHT2

not attested not anchored not stored refs pending

Non-selective evolution of growing populations

Erwin Frey, Felix Becker, Heinrich Jung, Karl Wienand, Matthias Lechner

arxiv:1507.07774 v1 · 2015-07-28 · 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{LE6ZBYVFQVV37CQ4P4RQ5XHHT2}

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	2026-05-18T00:36:14.541503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

593d90e2a5856bbf8a1c7f230edce79e99202f1858ed4ba274a3a8dcbc0fb980

Aliases

arxiv: 1507.07774 · arxiv_version: 1507.07774v1 · doi: 10.48550/arxiv.1507.07774 · pith_short_12: LE6ZBYVFQVV3 · pith_short_16: LE6ZBYVFQVV37CQ4 · pith_short_8: LE6ZBYVF

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/LE6ZBYVFQVV37CQ4P4RQ5XHHT2 \
  | 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: 593d90e2a5856bbf8a1c7f230edce79e99202f1858ed4ba274a3a8dcbc0fb980

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8569a834f59d833acb76098a758a8eeda3bcf55728f3b32c4b33677a72d07aa8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2015-07-28T14:05:33Z",
    "title_canon_sha256": "7dac14707b456bf44336927abffa804dd78ba19a7edade7713af654b8cc78cdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07774",
    "kind": "arxiv",
    "version": 1
  }
}