Pith Number

pith:XQP7VATD

pith:2012:XQP7VATD5PNR7MXXXWEOEDSALO

not attested not anchored not stored refs pending

SN2002bu -- Another SN2008S-like Transient

2), (2) Center for Cosmology, (3) Department of Physics, Astronomy, AstroParticle Physics, C. S. Kochanek (1, D. M. Szczygiel (1), The Ohio State University, University of Oklahoma), X. Dai (3) ((1) Department of Astronomy

arxiv:1208.2688 v1 · 2012-08-13 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XQP7VATD5PNR7MXXXWEOEDSALO}

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	2026-05-18T01:55:16.301083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc1ffa8263ebdb1fb2f7bd88e20e405b97547e26db1e76e49ea974dc07d32a8b

Aliases

arxiv: 1208.2688 · arxiv_version: 1208.2688v1 · doi: 10.48550/arxiv.1208.2688 · pith_short_12: XQP7VATD5PNR · pith_short_16: XQP7VATD5PNR7MXX · pith_short_8: XQP7VATD

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/XQP7VATD5PNR7MXXXWEOEDSALO \
  | 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: bc1ffa8263ebdb1fb2f7bd88e20e405b97547e26db1e76e49ea974dc07d32a8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21e1aa73fc91df9de417afabbba632489b76eb1834ec94e9df111e183e115a1a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-08-13T20:00:01Z",
    "title_canon_sha256": "bb2d5b4064a6a2582311b88bb32d6dd409adf2c1bc66d18a3cb3d1722ba1afe3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2688",
    "kind": "arxiv",
    "version": 1
  }
}