Pith Number

pith:IDP7M57S

pith:2009:IDP7M57SH7I3KHR3LHH4O7DL57

not attested not anchored not stored refs pending

Nuclear Interaction Gamma-Ray Lines from the Galactic Center Region

C. M. Ko, D. O. Chernyshov, K. S. Cheng, V. A. Dogiel, V. Tatischeff, W. H. Ip

arxiv:0909.2110 v1 · 2009-09-11 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IDP7M57SH7I3KHR3LHH4O7DL57}

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	2026-05-18T02:11:57.107811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40dff677f23fd1b51e3b59cfc77c6befe6594cad1fc42d3d68c8f4a630f462be

Aliases

arxiv: 0909.2110 · arxiv_version: 0909.2110v1 · doi: 10.48550/arxiv.0909.2110 · pith_short_12: IDP7M57SH7I3 · pith_short_16: IDP7M57SH7I3KHR3 · pith_short_8: IDP7M57S

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/IDP7M57SH7I3KHR3LHH4O7DL57 \
  | 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: 40dff677f23fd1b51e3b59cfc77c6befe6594cad1fc42d3d68c8f4a630f462be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "388bb750e182bce1b48ec1c50d50cc87d2cad39364026a136b813c5ef03d6cf4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-09-11T08:14:02Z",
    "title_canon_sha256": "cde236e22da5012f7c32b704d8bba30c23808b2f326b8148fb0137ed0e9f289d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2110",
    "kind": "arxiv",
    "version": 1
  }
}