Pith Number

pith:7RJTQQHX

pith:2017:7RJTQQHXWZMPGTVLSSRGC7LLHC

not attested not anchored not stored refs pending

Reinterpreting Maximum Entropy in Ecology: a null hypothesis constrained by ecological mechanism

Andrew Rominger, James P. O'Dwyer, Xiao Xiao

arxiv:1702.08543 v4 · 2017-02-27 · 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{7RJTQQHXWZMPGTVLSSRGC7LLHC}

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	2026-05-18T00:45:21.958719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc533840f7b658f34eab94a2617d6b3892523ef6527469e6d964ac8527b16ae6

Aliases

arxiv: 1702.08543 · arxiv_version: 1702.08543v4 · doi: 10.48550/arxiv.1702.08543 · pith_short_12: 7RJTQQHXWZMP · pith_short_16: 7RJTQQHXWZMPGTVL · pith_short_8: 7RJTQQHX

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/7RJTQQHXWZMPGTVLSSRGC7LLHC \
  | 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: fc533840f7b658f34eab94a2617d6b3892523ef6527469e6d964ac8527b16ae6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7b3c65be566081068fa00e269e8d774df960b32814ce136d52affcc20580e84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2017-02-27T21:37:46Z",
    "title_canon_sha256": "bb93b550109ef7229dbe4961165dbcdcc5ab22bd057fde3cf25bb250c498c112"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.08543",
    "kind": "arxiv",
    "version": 4
  }
}