Pith Number

pith:VXFSPPKB

pith:2017:VXFSPPKBWKUDKJ6MH77HRWMR4M

not attested not anchored not stored refs pending

Evolution at the edge of expanding populations

Carlos Carmona-Fontaine, Joao B. Xavier, Kirill S. Korolev, Maxime Deforet

arxiv:1711.07955 v2 · 2017-11-21 · 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{VXFSPPKBWKUDKJ6MH77HRWMR4M}

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	2026-05-17T23:47:49.163343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adcb27bd41b2a83527cc3ffe78d991e31407c0d6fb943594d1407633c7624dcf

Aliases

arxiv: 1711.07955 · arxiv_version: 1711.07955v2 · doi: 10.48550/arxiv.1711.07955 · pith_short_12: VXFSPPKBWKUD · pith_short_16: VXFSPPKBWKUDKJ6M · pith_short_8: VXFSPPKB

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/VXFSPPKBWKUDKJ6MH77HRWMR4M \
  | 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: adcb27bd41b2a83527cc3ffe78d991e31407c0d6fb943594d1407633c7624dcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81109dc9be7d663f7998edf8ea2941e883f4294c8368204bec14b690ace4f04d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2017-11-21T18:29:57Z",
    "title_canon_sha256": "2967450966c828f77a936241566be881ffb17cef77650b654a7ec6f4affd5e67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.07955",
    "kind": "arxiv",
    "version": 2
  }
}