Pith Number

pith:WMIFNSHF

pith:2013:WMIFNSHFHHRK2VHEDMZQW6M2ML

not attested not anchored not stored refs pending

Predictions Wrong Again on Dead Zone Area -- Gulf of Mexico Gaining Resistance to Nutrient Loading

Joshua M. Courtney, Michael W. Courtney

arxiv:1307.8064 v2 · 2013-07-30 · q-bio.QM · 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{WMIFNSHFHHRK2VHEDMZQW6M2ML}

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	2026-05-18T02:26:32.018203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b31056c8e539e2ad54e41b330b799a62f0fbaa3e8607cf1304a4d5a11706e4cb

Aliases

arxiv: 1307.8064 · arxiv_version: 1307.8064v2 · doi: 10.48550/arxiv.1307.8064 · pith_short_12: WMIFNSHFHHRK · pith_short_16: WMIFNSHFHHRK2VHE · pith_short_8: WMIFNSHF

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/WMIFNSHFHHRK2VHEDMZQW6M2ML \
  | 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: b31056c8e539e2ad54e41b330b799a62f0fbaa3e8607cf1304a4d5a11706e4cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f92e3b7764ffdaec483fdf5664a82d40183398d63e81a96e3504d533f42203b3",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2013-07-30T17:45:16Z",
    "title_canon_sha256": "00b921406792df9b7204391d48c84a9934b674afb9155d9fdbf428371b6d2e4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.8064",
    "kind": "arxiv",
    "version": 2
  }
}