Pith Number

pith:4YE2K5Q3

pith:2011:4YE2K5Q3WWHCOYHOU7OQ5MB45H

not attested not anchored not stored refs pending

New attempts to understand nanodiamond stardust

Anton Wallner, Astrid Besmehn, Karl-Ludwig Kratz, Karl Melber, Khalil Farouqi, Oliver Hallmann, Peter Hoppe, Ulrich Ott

arxiv:1112.3236 v1 · 2011-12-14 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4YE2K5Q3WWHCOYHOU7OQ5MB45H}

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	2026-05-18T03:40:03.224450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e609a5761bb58e2760eea7dd0eb03ce9c2ad578a46a6b368bae1f74b8d2a8748

Aliases

arxiv: 1112.3236 · arxiv_version: 1112.3236v1 · doi: 10.48550/arxiv.1112.3236 · pith_short_12: 4YE2K5Q3WWHC · pith_short_16: 4YE2K5Q3WWHCOYHO · pith_short_8: 4YE2K5Q3

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/4YE2K5Q3WWHCOYHOU7OQ5MB45H \
  | 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: e609a5761bb58e2760eea7dd0eb03ce9c2ad578a46a6b368bae1f74b8d2a8748

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "402bf361d7e29e014fc7ee233cc01946bb22913b09ae3d4dc040ce4e5e83cb3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-12-14T14:44:39Z",
    "title_canon_sha256": "35201bc2484b0c5c44d3a0f824d62800336f7e8483f25c50b012e70a473f9368"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3236",
    "kind": "arxiv",
    "version": 1
  }
}