Pith Number

pith:HQOYYPAH

pith:2011:HQOYYPAHTU6HQH5PKKHBBJH4WW

not attested not anchored not stored refs pending

Primordial Planets Explain Interstellar Dust, the Formation of Life; and Falsify Dark Energy

Buckingham University, Carl H. Gibson (University of California at San Diego), N. Chandra Wickramasinghe (Cardiff University, Rudolph E. Schild (Harvard University), UK)

arxiv:1112.3630 v1 · 2011-12-15 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HQOYYPAHTU6HQH5PKKHBBJH4WW}

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	2026-05-18T04:06:18.099282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c1d8c3c079d3c781faf528e10a4fcb5bd74fcfd3be8ad42b651115675efbd2c

Aliases

arxiv: 1112.3630 · arxiv_version: 1112.3630v1 · doi: 10.48550/arxiv.1112.3630 · pith_short_12: HQOYYPAHTU6H · pith_short_16: HQOYYPAHTU6HQH5P · pith_short_8: HQOYYPAH

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/HQOYYPAHTU6HQH5PKKHBBJH4WW \
  | 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: 3c1d8c3c079d3c781faf528e10a4fcb5bd74fcfd3be8ad42b651115675efbd2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1a1a78751e4e3f556f52b62bc04b50852e8fa9aeef95c27bd608b6795ca6f4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-12-15T20:12:38Z",
    "title_canon_sha256": "9da3af7bbe3495c4952fd5aa6cd26c00105d38b6ecbc7754c9a74313be2cd1bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3630",
    "kind": "arxiv",
    "version": 1
  }
}