Pith Number

pith:GWUPLA2H

pith:2012:GWUPLA2HRQXL4XZITC4J4AB6NJ

not attested not anchored not stored refs pending

Relative Condition Factors of Fish as Bioindicators One Year after the Deepwater Horizon Oil Spill

Amy Courtney, Joseph Torano, Joshua Courtney, Michael Courtney, Taylor Klinkmann

arxiv:1208.5095 v1 · 2012-08-25 · q-bio.PE · physics.ao-ph · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GWUPLA2HRQXL4XZITC4J4AB6NJ}

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	2026-05-18T03:47:00.392433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35a8f583478c2ebe5f2898b89e003e6a58ac452a04ca2c812f0c1bf1afebc97b

Aliases

arxiv: 1208.5095 · arxiv_version: 1208.5095v1 · doi: 10.48550/arxiv.1208.5095 · pith_short_12: GWUPLA2HRQXL · pith_short_16: GWUPLA2HRQXL4XZI · pith_short_8: GWUPLA2H

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/GWUPLA2HRQXL4XZITC4J4AB6NJ \
  | 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: 35a8f583478c2ebe5f2898b89e003e6a58ac452a04ca2c812f0c1bf1afebc97b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b691d03895cb22fffe690ad59c76e6f23dacc873aef28f8a2933aeb2b4defcd",
    "cross_cats_sorted": [
      "physics.ao-ph",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2012-08-25T03:02:48Z",
    "title_canon_sha256": "a9556671fae4f3b3eca2840cb746587185e0a4da0e5b2cd3d3f976a34526b588"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5095",
    "kind": "arxiv",
    "version": 1
  }
}