Pith Number

pith:BKVRGINL

pith:2012:BKVRGINLRM6MGYKTDGNGNPUJ2L

not attested not anchored not stored refs pending

Joint Ly{\alpha} emitters - quasars reionization constraints

A. Ferrara, B. Semelin, S. Baek

arxiv:1202.2884 v1 · 2012-02-13 · 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{BKVRGINLRM6MGYKTDGNGNPUJ2L}

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	2026-05-18T01:58:28.958501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0aab1321ab8b3cc36153199a66be89d2fda93ea3811f29f78abe3b8cc56315a3

Aliases

arxiv: 1202.2884 · arxiv_version: 1202.2884v1 · doi: 10.48550/arxiv.1202.2884 · pith_short_12: BKVRGINLRM6M · pith_short_16: BKVRGINLRM6MGYKT · pith_short_8: BKVRGINL

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/BKVRGINLRM6MGYKTDGNGNPUJ2L \
  | 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: 0aab1321ab8b3cc36153199a66be89d2fda93ea3811f29f78abe3b8cc56315a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f4fb030ad3b77ce20a3b1d7a53b25a79691c2bfc256f0c88f9b2afaeb451033",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-13T22:19:21Z",
    "title_canon_sha256": "2694675d2c38db49cd4c398aecbbddb46971d43ea3582d424c0abfc579983c70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2884",
    "kind": "arxiv",
    "version": 1
  }
}