Pith Number

pith:7DTNBAWK

pith:2018:7DTNBAWKAYMGK23TDPEKK7BVHZ

not attested not anchored not stored refs pending

Progress and open problems in evolutionary dynamics

Aleksandra M. Walczak, Richard A. Neher

arxiv:1804.07720 v1 · 2018-04-20 · 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{7DTNBAWKAYMGK23TDPEKK7BVHZ}

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	2026-05-18T00:17:55.996172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8e6d082ca0618656b731bc8a57c353e55e0fbec09fe47e60fcc41e8fa40b1e5

Aliases

arxiv: 1804.07720 · arxiv_version: 1804.07720v1 · doi: 10.48550/arxiv.1804.07720 · pith_short_12: 7DTNBAWKAYMG · pith_short_16: 7DTNBAWKAYMGK23T · pith_short_8: 7DTNBAWK

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/7DTNBAWKAYMGK23TDPEKK7BVHZ \
  | 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: f8e6d082ca0618656b731bc8a57c353e55e0fbec09fe47e60fcc41e8fa40b1e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be5cf0243e4cf91a70f8f31a8a9536282b651d260149d343063941966bc5de39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-04-20T16:55:05Z",
    "title_canon_sha256": "87b882b0ffccc767aa21e5182f0e955a40780dd5159bbf14ca34a37e3e7b49c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07720",
    "kind": "arxiv",
    "version": 1
  }
}