Pith Number

pith:SQEDFACB

pith:2009:SQEDFACBJ7TURNXG6D65NSS5AR

not attested not anchored not stored refs pending

NH3 in the Galactic Center is formed in Cool Conditions

Hideyuki Kobayashi, Hideyuki Toujima, Takumi Nagayama, Toshihiro Handa, Toshihiro Omodaka, Tsuyoshi Sawada, Yasuhiro Koyama, Yoshiaki SOFUE

arxiv:0906.0227 v1 · 2009-06-01 · 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{SQEDFACBJ7TURNXG6D65NSS5AR}

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	2026-05-18T02:13:30.211676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94083280414fe748b6e6f0fdd6ca5d046d622ff4dbcf07287d061840e9b2b751

Aliases

arxiv: 0906.0227 · arxiv_version: 0906.0227v1 · doi: 10.48550/arxiv.0906.0227 · pith_short_12: SQEDFACBJ7TU · pith_short_16: SQEDFACBJ7TURNXG · pith_short_8: SQEDFACB

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/SQEDFACBJ7TURNXG6D65NSS5AR \
  | 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: 94083280414fe748b6e6f0fdd6ca5d046d622ff4dbcf07287d061840e9b2b751

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f708610bded12ec25362c1d9606fb47660f3d1d305fbbb2b8b1a80cc61a3859b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-06-01T07:29:51Z",
    "title_canon_sha256": "1ab70633d92247d670f95d861041e38c39a30f0ff7d70d51641784827da9b90f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0227",
    "kind": "arxiv",
    "version": 1
  }
}