Pith Number

pith:ORPYCUK4

pith:2013:ORPYCUK4IU27E5FXD6HV5ETWTM

not attested not anchored not stored refs pending

Australian Aboriginal Astronomy: Overview

Duane W. Hamacher, Ray P. Norris

arxiv:1306.0971 v1 · 2013-06-05 · physics.hist-ph · astro-ph.IM · 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{ORPYCUK4IU27E5FXD6HV5ETWTM}

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	2026-05-18T01:49:32.789447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

745f81515c4535f274b71f8f5e92769b37fda1fb8b10d0bf22274192749e7847

Aliases

arxiv: 1306.0971 · arxiv_version: 1306.0971v1 · doi: 10.48550/arxiv.1306.0971 · pith_short_12: ORPYCUK4IU27 · pith_short_16: ORPYCUK4IU27E5FX · pith_short_8: ORPYCUK4

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/ORPYCUK4IU27E5FXD6HV5ETWTM \
  | 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: 745f81515c4535f274b71f8f5e92769b37fda1fb8b10d0bf22274192749e7847

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12ce8b847658e59cee8683d563fff05beb15508ba9f83611e17278165a7999fd",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2013-06-05T03:25:17Z",
    "title_canon_sha256": "c1461b873e763df75352029c9b1881a3c718962f1fd55b736cebae364ff8b16f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.0971",
    "kind": "arxiv",
    "version": 1
  }
}