Pith Number

pith:IWJL5X6U

pith:2010:IWJL5X6UITQEMBOUR262P7N22X

not attested not anchored not stored refs pending

Australian Aboriginal Geomythology: Eyewitness Accounts of Cosmic Impacts?

Duane W. Hamacher, Ray P. Norris

arxiv:1009.4251 v1 · 2010-09-22 · physics.hist-ph · physics.pop-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{IWJL5X6UITQEMBOUR262P7N22X}

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	2026-05-18T04:40:33.649006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4592bedfd444e04605d48ebda7fdbad5f40c43a78fe4bfa66a57643d2178621c

Aliases

arxiv: 1009.4251 · arxiv_version: 1009.4251v1 · doi: 10.48550/arxiv.1009.4251 · pith_short_12: IWJL5X6UITQE · pith_short_16: IWJL5X6UITQEMBOU · pith_short_8: IWJL5X6U

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/IWJL5X6UITQEMBOUR262P7N22X \
  | 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: 4592bedfd444e04605d48ebda7fdbad5f40c43a78fe4bfa66a57643d2178621c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9372dd2fd53f05392f18f6b09211a50e4cc67caa90070d29d001695d76abee2",
    "cross_cats_sorted": [
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2010-09-22T02:47:39Z",
    "title_canon_sha256": "871d9c117d67f945e400727a20d0ebbed5e145df241950c2cf494a3d3c1e6e4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4251",
    "kind": "arxiv",
    "version": 1
  }
}