Pith Number

pith:X7Y6Y2ZW

pith:2008:X7Y6Y2ZW55EVR5W5II2OBG4ZTA

not attested not anchored not stored refs pending

Discovery of the Dust-Enshrouded Progenitor of SN 2008S with Spitzer

A. Pasquali, C.S. Kochanek, H. Yuksel, J. Bechtold, J.F. Beacom, J.L. Prieto, K.Z. Stanek, M.D. Kistler, P. Martini, T.A. Thompson

arxiv:0803.0324 v3 · 2008-03-04 · 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{X7Y6Y2ZW55EVR5W5II2OBG4ZTA}

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	2026-05-18T04:36:41.418839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bff1ec6b36ef4958f6dd4234e09b99980ddd3daaaa98b2cb5e62e14477574876

Aliases

arxiv: 0803.0324 · arxiv_version: 0803.0324v3 · doi: 10.48550/arxiv.0803.0324 · pith_short_12: X7Y6Y2ZW55EV · pith_short_16: X7Y6Y2ZW55EVR5W5 · pith_short_8: X7Y6Y2ZW

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/X7Y6Y2ZW55EVR5W5II2OBG4ZTA \
  | 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: bff1ec6b36ef4958f6dd4234e09b99980ddd3daaaa98b2cb5e62e14477574876

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "519cd5fba99bd2869c64208f62dc90efdd46ba86b867f538e30a7665effd84fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-03-04T17:30:52Z",
    "title_canon_sha256": "0201d4010aaa8db88746476a7dbfc4665d28fff40a059dd86f536233a7af7597"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.0324",
    "kind": "arxiv",
    "version": 3
  }
}