Pith Number

pith:33ZCKPGF

pith:2012:33ZCKPGFOWN6JKJOV32H3IEDZO

not attested not anchored not stored refs pending

An Impact Crater in Palm Valley, Central Australia?

Andrew Buchel, Craig O'Neill, Duane W. Hamacher, Tui R. Britton

arxiv:1201.1074 v1 · 2012-01-05 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{33ZCKPGFOWN6JKJOV32H3IEDZO}

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	2026-05-18T04:05:06.271382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

def2253cc5759be4a92eaef47da083cb82dd2a7bf80af56d19e216cb9d6c3888

Aliases

arxiv: 1201.1074 · arxiv_version: 1201.1074v1 · doi: 10.48550/arxiv.1201.1074 · pith_short_12: 33ZCKPGFOWN6 · pith_short_16: 33ZCKPGFOWN6JKJO · pith_short_8: 33ZCKPGF

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/33ZCKPGFOWN6JKJOV32H3IEDZO \
  | 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: def2253cc5759be4a92eaef47da083cb82dd2a7bf80af56d19e216cb9d6c3888

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95fd4ef1cd8f12c9d3e73dac9d354b6fc104e26a0882a1cdac1c965d675341ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-01-05T07:54:09Z",
    "title_canon_sha256": "28f81634ced9226420272259b39bb84c9b37674a749b63638b1371e5a4847a4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1074",
    "kind": "arxiv",
    "version": 1
  }
}