Pith Number

pith:NK27XQKJ

pith:2012:NK27XQKJZFBYMPWJOXW6SG4XMB

not attested not anchored not stored refs pending

Ionized nitrogen at high redshift

A. Omont, A. Weiss, C. Carilli, D. Riechers, F. Bertoldi, F. Walter, J.F. Lestrade, J.P. Kneib, J. Richard, K. Thanjavur, P. Cox, R. Decarli, R. Maiolino, R. Neri

arxiv:1203.6852 v1 · 2012-03-30 · 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{NK27XQKJZFBYMPWJOXW6SG4XMB}

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	2026-05-18T01:58:00.012464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ab5fbc149c943863ec975ede91b9760497bbb417656eee73d0482d12e253d2b

Aliases

arxiv: 1203.6852 · arxiv_version: 1203.6852v1 · doi: 10.48550/arxiv.1203.6852 · pith_short_12: NK27XQKJZFBY · pith_short_16: NK27XQKJZFBYMPWJ · pith_short_8: NK27XQKJ

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/NK27XQKJZFBYMPWJOXW6SG4XMB \
  | 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: 6ab5fbc149c943863ec975ede91b9760497bbb417656eee73d0482d12e253d2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "673900907732d0a3a82933d4ff139d6e0bb7c5d9849411a096d34ffe8cb527a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-30T16:35:41Z",
    "title_canon_sha256": "a3d375e7349a1875b7002adece8bfff8674202229125f2e262f8e9c47ebf3a2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.6852",
    "kind": "arxiv",
    "version": 1
  }
}