Pith Number

pith:J73ZU53L

pith:2012:J73ZU53LG5P36J2T57NQNXLLGE

not attested not anchored not stored refs pending

The excitation of near-infrared H2 emission in NGC 253

F. P. Israel, M. J. F. Rosenberg, P. P. van der Werf

arxiv:1212.1567 v1 · 2012-12-07 · astro-ph.CO · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J73ZU53LG5P36J2T57NQNXLLGE}

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	2026-05-18T01:52:46.572853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ff79a776b375fbf2753efdb06dd6b310bcb53a1574209205807d01d1b21ab26

Aliases

arxiv: 1212.1567 · arxiv_version: 1212.1567v1 · doi: 10.48550/arxiv.1212.1567 · pith_short_12: J73ZU53LG5P3 · pith_short_16: J73ZU53LG5P36J2T · pith_short_8: J73ZU53L

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/J73ZU53LG5P36J2T57NQNXLLGE \
  | 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: 4ff79a776b375fbf2753efdb06dd6b310bcb53a1574209205807d01d1b21ab26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "474c9ca703009256643b842ea1f60ca795151c7d92c390c199d1515eefa8bcfc",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-12-07T09:58:52Z",
    "title_canon_sha256": "3d26317403843eb2caf663e2e6a9cfb7bc08872e365f1f29be53144f02c9b716"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.1567",
    "kind": "arxiv",
    "version": 1
  }
}