Pith Number

pith:QRZMVY5G

pith:2008:QRZMVY5GSUPFTBLRQYS2OOVNBJ

not attested not anchored not stored refs pending

A cosmic-ray precursor model for a Balmer-dominated shock in Tycho's supernova remnant

A. Y. Wagner, J. C. Raymond, J. -J. Lee, S. A. E. G. Falle, T. W. Hartquist

arxiv:0809.2504 v1 · 2008-09-15 · 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{QRZMVY5GSUPFTBLRQYS2OOVNBJ}

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	2026-05-18T02:35:14.826270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8472cae3a6951e5985718625a73aad0a596d243a596bafd096d5aa528c2cb1b2

Aliases

arxiv: 0809.2504 · arxiv_version: 0809.2504v1 · doi: 10.48550/arxiv.0809.2504 · pith_short_12: QRZMVY5GSUPF · pith_short_16: QRZMVY5GSUPFTBLR · pith_short_8: QRZMVY5G

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/QRZMVY5GSUPFTBLRQYS2OOVNBJ \
  | 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: 8472cae3a6951e5985718625a73aad0a596d243a596bafd096d5aa528c2cb1b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43816cc7754e7acf42fc4fcfe539a9826820419947aff6876acf7d685feea59c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-15T12:31:01Z",
    "title_canon_sha256": "25be71da2c528d16257183225618dd0b9cd8d7a761383f1bab7e4e9306bfacb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.2504",
    "kind": "arxiv",
    "version": 1
  }
}