Pith Number

pith:NSZWBHHK

pith:2012:NSZWBHHKT45QE5ER5OB4DVRSL3

not attested not anchored not stored refs pending

The Sun was not born in M 67

Andrea Bellini, Barbara Pichardo, Christine Allen, Edmundo Moreno, Luca Pasquini, Luigi R. Bedin

arxiv:1201.0987 v1 · 2012-01-04 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NSZWBHHKT45QE5ER5OB4DVRSL3}

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	2026-05-18T01:58:57.699216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cb3609cea9f3b027491eb83c1d6325ed8f65e808c9e71975f2183cbf6f089ff

Aliases

arxiv: 1201.0987 · arxiv_version: 1201.0987v1 · doi: 10.48550/arxiv.1201.0987 · pith_short_12: NSZWBHHKT45Q · pith_short_16: NSZWBHHKT45QE5ER · pith_short_8: NSZWBHHK

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/NSZWBHHKT45QE5ER5OB4DVRSL3 \
  | 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: 6cb3609cea9f3b027491eb83c1d6325ed8f65e808c9e71975f2183cbf6f089ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "913254b5196efe4a4a64cd56845b48121ddcd3a33e33d820a455638a9f39f2fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-01-04T20:50:19Z",
    "title_canon_sha256": "5cf8d9f16a06219660f1fc2e9ca47a11b60067adaaca041474217471fc53f3e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0987",
    "kind": "arxiv",
    "version": 1
  }
}