Pith Number

pith:GGQ6LJOG

pith:2012:GGQ6LJOG57ZEVO4MLAKM7MKNE5

not attested not anchored not stored refs pending

An In-Depth Study of the Abundance Pattern in the Hot Interstellar Medium in NGC 4649

David Davis (UMBC/CRESST/NASA-GSFC), Michael Loewenstein (UMCP/CRESST/NASA-GSFC)

arxiv:1207.5814 v1 · 2012-07-24 · 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{GGQ6LJOG57ZEVO4MLAKM7MKNE5}

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	2026-05-18T01:56:08.129334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31a1e5a5c6eff24abb8c5814cfb14d27799c3f05b014b52bb815fc815a3a5be2

Aliases

arxiv: 1207.5814 · arxiv_version: 1207.5814v1 · doi: 10.48550/arxiv.1207.5814 · pith_short_12: GGQ6LJOG57ZE · pith_short_16: GGQ6LJOG57ZEVO4M · pith_short_8: GGQ6LJOG

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/GGQ6LJOG57ZEVO4MLAKM7MKNE5 \
  | 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: 31a1e5a5c6eff24abb8c5814cfb14d27799c3f05b014b52bb815fc815a3a5be2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94ca6778d3318f6316a558065e0bef7f6b7e15578030b29d1d19e32593f5c0f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-24T20:25:11Z",
    "title_canon_sha256": "40bbb0e5f65dcc3b129f6fc246d3305e884af3f5fdfdb50416018253c2918363"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5814",
    "kind": "arxiv",
    "version": 1
  }
}