Pith Number

pith:NKZLCDE2

pith:2015:NKZLCDE2Y4DOQ662F5DNRSOIVF

not attested not anchored not stored refs pending

The Impact of Environmental Fluctuations on Evolutionary Fitness Functions

Anna Melbinger, Massimo Vergassola

arxiv:1510.05664 v1 · 2015-10-19 · q-bio.PE · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NKZLCDE2Y4DOQ662F5DNRSOIVF}

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	2026-05-18T01:29:40.034482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ab2b10c9ac706e87bda2f46d8c9c8a9483d3eee581d5768cd596b6e75380722

Aliases

arxiv: 1510.05664 · arxiv_version: 1510.05664v1 · doi: 10.48550/arxiv.1510.05664 · pith_short_12: NKZLCDE2Y4DO · pith_short_16: NKZLCDE2Y4DOQ662 · pith_short_8: NKZLCDE2

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/NKZLCDE2Y4DOQ662F5DNRSOIVF \
  | 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: 6ab2b10c9ac706e87bda2f46d8c9c8a9483d3eee581d5768cd596b6e75380722

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57ceb5d2cc59a5f828b627c8b0abeb9dc296b98929551eb1cca2a158381136fd",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2015-10-19T20:19:25Z",
    "title_canon_sha256": "5a834f1335b7f6446bf2eb85e42df39ffe5e4e8b3faab8bd3f7f7c2a2ac265a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.05664",
    "kind": "arxiv",
    "version": 1
  }
}