Pith Number

pith:AGCFYSX2

pith:1999:AGCFYSX22T5QBSCJS2LO7QWOTB

not attested not anchored not stored refs pending

Cosmic-Ray Positrons: Are There Primary Sources?

Allan Labrador, Amit Bhattacharyya, Andrew D. Tomasch, Christopher J. Chaput, Chuck R. Bower, Dietrich Muller, Eric Schneider, Eric Torbet, Georgia A. de Nolfo, Gregory Tarle, James A. Musser, James J. Beatty, Michael A. DuVernois, Scott L. Nutter, Shawn P. McKee, Simon P. Swordy, Stephane Coutu, Steven W. Barwick

arxiv:astro-ph/9902162 v1 · 1999-02-10 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AGCFYSX22T5QBSCJS2LO7QWOTB}

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	2026-05-18T04:17:53.603955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01845c4afad4fb00c8499696efc2ce9860f2065158d67fc9215790bbd2213385

Aliases

arxiv: astro-ph/9902162 · arxiv_version: astro-ph/9902162v1 · doi: 10.48550/arxiv.astro-ph/9902162 · pith_short_12: AGCFYSX22T5Q · pith_short_16: AGCFYSX22T5QBSCJ · pith_short_8: AGCFYSX2

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/AGCFYSX22T5QBSCJS2LO7QWOTB \
  | 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: 01845c4afad4fb00c8499696efc2ce9860f2065158d67fc9215790bbd2213385

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "915af445dc9d03d6bd2877b41aec9f38f1ffd2c65e5602950d2ebb440fd79eb9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-02-10T19:40:17Z",
    "title_canon_sha256": "12e1a34efbf5e2d16f80f36f9f68316b649ddd9775202fc63acecdcbffcc248a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9902162",
    "kind": "arxiv",
    "version": 1
  }
}