Pith Number

pith:7V6SNWNZ

pith:2012:7V6SNWNZ3NNEBEFO2WXU7YLDHS

not attested not anchored not stored refs pending

A survey of lens spaces and large-scale CMB anisotropy

Ralf Aurich, Sven Lustig

arxiv:1203.4086 v2 · 2012-03-19 · 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{7V6SNWNZ3NNEBEFO2WXU7YLDHS}

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	2026-05-18T01:58:06.221721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd7d26d9b9db5a4090aed5af4fe1633c9add788eb3075376a66a8e4855ebee7c

Aliases

arxiv: 1203.4086 · arxiv_version: 1203.4086v2 · doi: 10.48550/arxiv.1203.4086 · pith_short_12: 7V6SNWNZ3NNE · pith_short_16: 7V6SNWNZ3NNEBEFO · pith_short_8: 7V6SNWNZ

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/7V6SNWNZ3NNEBEFO2WXU7YLDHS \
  | 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: fd7d26d9b9db5a4090aed5af4fe1633c9add788eb3075376a66a8e4855ebee7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efb49946566b39ce9fd0209929b8707fcb79bcce0d318137d2eaf0b0aecd553a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-19T12:14:34Z",
    "title_canon_sha256": "a89a694ab493581e8283df2a122dd94c0c25e1e07af81e2868efaed32d07909a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4086",
    "kind": "arxiv",
    "version": 2
  }
}