Pith Number

pith:FFRUZGOY

pith:2009:FFRUZGOYZ3XUUUVEAI5RCTLIDP

not attested not anchored not stored refs pending

Narrow Radiative Recombination Continua: A Signature of Ions Crossing the Contact Discontinuity of Astrophysical Shocks

3), 4), Ehud Behar (1, Germany (4) NASA/Goddard Space Flight Center), Israel (2) Rochester Institute of Technology, Joel H. Kastner (2), Noam Soker (1), NY (3) MPE Garching, Raanan Nordon (1, Young Sam Yu (2) ((1) Technion

arxiv:0901.1039 v2 · 2009-01-08 · 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{FFRUZGOYZ3XUUUVEAI5RCTLIDP}

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	2026-05-18T04:29:24.065394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29634c99d8ceef4a52a4023b114d681bc6cf9dbd0c25f89823a6af61a8a12af5

Aliases

arxiv: 0901.1039 · arxiv_version: 0901.1039v2 · doi: 10.48550/arxiv.0901.1039 · pith_short_12: FFRUZGOYZ3XU · pith_short_16: FFRUZGOYZ3XUUUVE · pith_short_8: FFRUZGOY

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/FFRUZGOYZ3XUUUVEAI5RCTLIDP \
  | 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: 29634c99d8ceef4a52a4023b114d681bc6cf9dbd0c25f89823a6af61a8a12af5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92b42551f9da299133823d9293cb9c46b378955f36b1a3dc45fad2f81a3ddc4f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-01-08T13:36:04Z",
    "title_canon_sha256": "acfe979b9db735808a2d297c47d7ec55e1b3f0e23868bf5ea87447dd236f3ed7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1039",
    "kind": "arxiv",
    "version": 2
  }
}