Pith Number

pith:XRXV2ZU3

pith:2013:XRXV2ZU3Z6ROT63EU4XHIUDBRX

not attested not anchored not stored refs pending

Do Rainbow Trout and Their Hybrids Outcompete Cutthroat Trout in a Lentic Ecosystem?

Amy C. Courtney, Joshua M. Courtney, Michael W. Courtney

arxiv:1305.1882 v1 · 2013-05-08 · 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{XRXV2ZU3Z6ROT63EU4XHIUDBRX}

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	2026-05-18T03:26:10.955299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc6f5d669bcfa2e9fb64a72e7450618dc78f031aa70560196874c72d7eeeb663

Aliases

arxiv: 1305.1882 · arxiv_version: 1305.1882v1 · doi: 10.48550/arxiv.1305.1882 · pith_short_12: XRXV2ZU3Z6RO · pith_short_16: XRXV2ZU3Z6ROT63E · pith_short_8: XRXV2ZU3

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/XRXV2ZU3Z6ROT63EU4XHIUDBRX \
  | 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: bc6f5d669bcfa2e9fb64a72e7450618dc78f031aa70560196874c72d7eeeb663

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85c2b7fdf48517c34ea3e7aced8dd4cdb987eb8033d6e33e344cc1966a3dba60",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2013-05-08T16:53:17Z",
    "title_canon_sha256": "dd60dbfb2af15a06cebf9a08f870b2a2b189b67477489f3d5c67b679076fb1be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1882",
    "kind": "arxiv",
    "version": 1
  }
}