Pith Number

pith:VEJI3LWO

pith:2015:VEJI3LWOQE4N2KW536Z72ODXMD

not attested not anchored not stored refs pending

Fire in the sky: The southern lights in Indigenous oral traditions

Duane W. Hamacher

arxiv:1504.04597 v1 · 2015-04-08 · physics.hist-ph · physics.soc-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VEJI3LWOQE4N2KW536Z72ODXMD}

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	2026-05-18T02:18:31.967454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9128daece8138dd2adddfb3fd387760d842afc5306a5838ee98f2b7286af300

Aliases

arxiv: 1504.04597 · arxiv_version: 1504.04597v1 · doi: 10.48550/arxiv.1504.04597 · pith_short_12: VEJI3LWOQE4N · pith_short_16: VEJI3LWOQE4N2KW5 · pith_short_8: VEJI3LWO

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/VEJI3LWOQE4N2KW536Z72ODXMD \
  | 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: a9128daece8138dd2adddfb3fd387760d842afc5306a5838ee98f2b7286af300

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfd6c72836344605bea3bea32dd8a0f2604a50223ebfa6b13f7a5652670bbdf7",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2015-04-08T06:19:41Z",
    "title_canon_sha256": "eb4bee5967a178ea40bca7d92405e440bcad06fc795ce557824b3458d0609fa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04597",
    "kind": "arxiv",
    "version": 1
  }
}