Pith Number

pith:HA3YQZTS

pith:2013:HA3YQZTS4UTRKBCKUTBTCUNLUD

not attested not anchored not stored refs pending

Estimating Interaction Strengths with Correlations in Annual Relative Weight: Interspecific Competition and Predation in Fishes, Pueblo Reservoir, Colorado

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

arxiv:1305.1152 v1 · 2013-05-06 · 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{HA3YQZTS4UTRKBCKUTBTCUNLUD}

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	2026-05-18T03:26:23.969879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3837886672e52715044aa4c33151aba0f1fcb1eb6921f5dcc466dabcb5313bd7

Aliases

arxiv: 1305.1152 · arxiv_version: 1305.1152v1 · doi: 10.48550/arxiv.1305.1152 · pith_short_12: HA3YQZTS4UTR · pith_short_16: HA3YQZTS4UTRKBCK · pith_short_8: HA3YQZTS

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/HA3YQZTS4UTRKBCKUTBTCUNLUD \
  | 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: 3837886672e52715044aa4c33151aba0f1fcb1eb6921f5dcc466dabcb5313bd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39ddf0f76ed0640470af6f73ce76cd18a695beb68130e470d72ef1b694400fee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2013-05-06T11:52:33Z",
    "title_canon_sha256": "1b24f8a7956893c56362c8632d68c5487edf9c1d5443509784c25fff45f4772a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1152",
    "kind": "arxiv",
    "version": 1
  }
}