Pith Number

pith:M3BYWSGC

pith:2009:M3BYWSGCCIUNJCUN2JLMQROYXS

not attested not anchored not stored refs pending

Restrictions on the injection energy of positrons annihilating near the Galactic center

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

arxiv:0912.0889 v1 · 2009-12-04 · 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{M3BYWSGCCIUNJCUN2JLMQROYXS}

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	2026-05-18T02:10:26.454659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66c38b48c21228d48a8dd256c845d8bc9f3f7e0b9a666447d817bcbd7cc8f964

Aliases

arxiv: 0912.0889 · arxiv_version: 0912.0889v1 · doi: 10.48550/arxiv.0912.0889 · pith_short_12: M3BYWSGCCIUN · pith_short_16: M3BYWSGCCIUNJCUN · pith_short_8: M3BYWSGC

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/M3BYWSGCCIUNJCUN2JLMQROYXS \
  | 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: 66c38b48c21228d48a8dd256c845d8bc9f3f7e0b9a666447d817bcbd7cc8f964

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee0e8008dbfb56ca28e51726c5eb432476ebe7aeef3601f76d826cdf44b7ff45",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-12-04T16:35:52Z",
    "title_canon_sha256": "30572592b2255e23670e2b8982572e6170b32fa2161edee972f17b97fab59aa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0889",
    "kind": "arxiv",
    "version": 1
  }
}