Pith Number

pith:7L4N3XQU

pith:2011:7L4N3XQU3LR6SHGG5HCYD6IHA7

not attested not anchored not stored refs pending

Ionization Conditions in the Central Giant HII Region of NGC 5253

(2) ESO, (3) IAC), A. Monreal-Ibero (1), C. Mu\~noz-Tu\~non (3) ((1) IAA-CSIC, J. M. V\'ilchez (1), J. Walsh (2)

arxiv:1102.0652 v2 · 2011-02-03 · 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{7L4N3XQU3LR6SHGG5HCYD6IHA7}

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	2026-05-18T02:03:17.167633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faf8ddde14dae3e91cc6e9c581f90707feaba28ed697cc4d54d6305cd5348821

Aliases

arxiv: 1102.0652 · arxiv_version: 1102.0652v2 · doi: 10.48550/arxiv.1102.0652 · pith_short_12: 7L4N3XQU3LR6 · pith_short_16: 7L4N3XQU3LR6SHGG · pith_short_8: 7L4N3XQU

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/7L4N3XQU3LR6SHGG5HCYD6IHA7 \
  | 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: faf8ddde14dae3e91cc6e9c581f90707feaba28ed697cc4d54d6305cd5348821

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07a73016f0163d6a017869763bb50d45798b1861a114ea085cf3aa0b01598034",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-02-03T11:42:04Z",
    "title_canon_sha256": "c0722defc84cf292bf9e3595a2e014f1e6d93de117b9ec872b39dbfc41f80c32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0652",
    "kind": "arxiv",
    "version": 2
  }
}