Pith Number

pith:VLNC4EH7

pith:2008:VLNC4EH7Q4APEB3VCLKGX6ZRIS

not attested not anchored not stored refs pending

Shock Breakout Emission from a Type Ib/c Supernova: XRT 080109/SN 2008D

Claes Fransson, Roger A. Chevalier

arxiv:0806.0371 v2 · 2008-06-02 · 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{VLNC4EH7Q4APEB3VCLKGX6ZRIS}

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	2026-05-18T02:15:52.038442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aada2e10ff8700f2077512d46bfb31448514a0c859e98d71bcf6edc2712cba95

Aliases

arxiv: 0806.0371 · arxiv_version: 0806.0371v2 · doi: 10.48550/arxiv.0806.0371 · pith_short_12: VLNC4EH7Q4AP · pith_short_16: VLNC4EH7Q4APEB3V · pith_short_8: VLNC4EH7

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/VLNC4EH7Q4APEB3VCLKGX6ZRIS \
  | 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: aada2e10ff8700f2077512d46bfb31448514a0c859e98d71bcf6edc2712cba95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "501a36d350921d412e60f4a64d2df444091aa9b01897d96a28f5cca9e142c6d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-06-02T19:48:56Z",
    "title_canon_sha256": "ff6e8ec2f4ff2349ebd0c91735aa6caaeabefd573d3a540349cf5d1327838d2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.0371",
    "kind": "arxiv",
    "version": 2
  }
}