Pith Number

pith:4E4HFUPZ

pith:2013:4E4HFUPZ6YD2ROYLQLNMWHHHXX

not attested not anchored not stored refs pending

The Dusty Aftermath of the V1309 Sco Binary Merger

A. Udalski, C. Melis, C. P. Nicholls, G. Pietrzy\'nski, I. Soszy\'nski, K. Ulaczyk, {\L}. Wyrzykowski, M. K. Szyma\'nski, M. Kubiak, P. Pietrukowicz, R. Poleski, S. Koz{\l}owski

arxiv:1301.1694 v2 · 2013-01-08 · 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{4E4HFUPZ6YD2ROYLQLNMWHHHXX}

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.

Cited by

1 paper in Pith

Red novae, their progenitors, and remnants

Receipt and verification

First computed	2026-05-18T01:52:14.834284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e13872d1f9f607a8bb0b82dacb1ce7bde69aa98f55d936247c0fb0d8d6c25ccc

Aliases

arxiv: 1301.1694 · arxiv_version: 1301.1694v2 · doi: 10.48550/arxiv.1301.1694 · pith_short_12: 4E4HFUPZ6YD2 · pith_short_16: 4E4HFUPZ6YD2ROYL · pith_short_8: 4E4HFUPZ

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/4E4HFUPZ6YD2ROYLQLNMWHHHXX \
  | 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: e13872d1f9f607a8bb0b82dacb1ce7bde69aa98f55d936247c0fb0d8d6c25ccc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "528b663d1b4db61681474a6855eba2350b8f12fe53ad60c586e8f9a748c13ef6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-01-08T21:08:07Z",
    "title_canon_sha256": "b6713af7c942fef5aeffd3264b9d6c699a258f5f0be974c9762a13c707848021"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1694",
    "kind": "arxiv",
    "version": 2
  }
}