Pith Number

pith:F7L7PEGJ

pith:2012:F7L7PEGJ2G4U5PTB4QQ52SGAJK

not attested not anchored not stored refs pending

Division XII / Commission 14 / Working Group Solids and Their Surfaces

Gianfranco Vidali

arxiv:1211.1484 v1 · 2012-11-07 · 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{F7L7PEGJ2G4U5PTB4QQ52SGAJK}

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	2026-05-18T03:41:20.863577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fd7f790c9d1b94ebe61e421dd48c04aadadbbc446425458d8ae32e0ea5f578f

Aliases

arxiv: 1211.1484 · arxiv_version: 1211.1484v1 · doi: 10.48550/arxiv.1211.1484 · pith_short_12: F7L7PEGJ2G4U · pith_short_16: F7L7PEGJ2G4U5PTB · pith_short_8: F7L7PEGJ

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/F7L7PEGJ2G4U5PTB4QQ52SGAJK \
  | 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: 2fd7f790c9d1b94ebe61e421dd48c04aadadbbc446425458d8ae32e0ea5f578f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c6f2a6696f6af8d8b54d8b65ee519e1ece0425af9dc026ddc9f24723c4f7886",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-11-07T08:22:18Z",
    "title_canon_sha256": "4b74bdd4b1dc430d68c64147d36aa756fc641e1fde9052362a7fe93e0cd51929"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1484",
    "kind": "arxiv",
    "version": 1
  }
}