Pith Number

pith:43UTJZ6E

pith:2015:43UTJZ6E27TUGAIEPX4SUKV4EZ

not attested not anchored not stored refs pending

Finding meteorite impacts in Aboriginal oral tradition

Duane W. Hamacher

arxiv:1503.01540 v1 · 2015-03-05 · physics.hist-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{43UTJZ6E27TUGAIEPX4SUKV4EZ}

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	2026-05-18T02:25:33.418510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6e934e7c4d7e74301047df92a2abc26527024562af337db31a6bf2a4bede023

Aliases

arxiv: 1503.01540 · arxiv_version: 1503.01540v1 · doi: 10.48550/arxiv.1503.01540 · pith_short_12: 43UTJZ6E27TU · pith_short_16: 43UTJZ6E27TUGAIE · pith_short_8: 43UTJZ6E

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/43UTJZ6E27TUGAIEPX4SUKV4EZ \
  | 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: e6e934e7c4d7e74301047df92a2abc26527024562af337db31a6bf2a4bede023

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e908a7cadbb8de85d93013db80141a30dca4c7157146c96e9d4f24aa3c37ccba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2015-03-05T05:21:09Z",
    "title_canon_sha256": "408a6d6d9a4f514e4cfc975c1e73c7617b4e544ea46fead78566620d30853214"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01540",
    "kind": "arxiv",
    "version": 1
  }
}