Pith Number

pith:QY43LB5E

pith:2012:QY43LB5EIUEMGRYMDZEXDKF3GS

not attested not anchored not stored refs pending

Assessing the Health of Richibucto Estuary with the Latent Health Factor Index

Grace S. Chiu, Lin Lu, Margaret Wu

arxiv:1208.5311 v4 · 2012-08-27 · stat.AP · 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{QY43LB5EIUEMGRYMDZEXDKF3GS}

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	2026-05-18T03:20:09.670410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8639b587a44508c3470c1e4971a8bb34a8e59c6caa71aa3683256ca7ca768bf9

Aliases

arxiv: 1208.5311 · arxiv_version: 1208.5311v4 · doi: 10.48550/arxiv.1208.5311 · pith_short_12: QY43LB5EIUEM · pith_short_16: QY43LB5EIUEMGRYM · pith_short_8: QY43LB5E

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/QY43LB5EIUEMGRYMDZEXDKF3GS \
  | 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: 8639b587a44508c3470c1e4971a8bb34a8e59c6caa71aa3683256ca7ca768bf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acbb3cc72f9566a55c3e3bf12a17eae10d80fa19f4053b02a20170137b115266",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2012-08-27T07:21:56Z",
    "title_canon_sha256": "1b6f968974f7ec188db14a0ae7f56dfc083a8f00b4a467233eff4168c76f11e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5311",
    "kind": "arxiv",
    "version": 4
  }
}