pith. sign in
Pith Number

pith:MJWR63I2

pith:2014:MJWR63I2XQSYMRYCWTNA7IQ5UR
not attested not anchored not stored refs pending

On the progenitors of Local Group Novae - I. The M31 Catalog

2), (2) Department of Physics, (3) Department of Astronomy, A. Keen (1, A. W. Shafter (3) ((1) Astrophysics Research Institute, Liverpool John Moores University, M. F. Bode (1), M. J. Darnley (1), San Diego State University), S. C. Williams (1), The University of Liverpool

arxiv:1405.4874 v1 · 2014-05-19 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{MJWR63I2XQSYMRYCWTNA7IQ5UR}

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 2026-05-18T01:43:10.584235Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

626d1f6d1abc25864702b4da0fa21da4490e9681741f51a9d84e8d271c089788

Aliases

arxiv: 1405.4874 · arxiv_version: 1405.4874v1 · doi: 10.48550/arxiv.1405.4874 · pith_short_12: MJWR63I2XQSY · pith_short_16: MJWR63I2XQSYMRYC · pith_short_8: MJWR63I2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/MJWR63I2XQSYMRYCWTNA7IQ5UR \
  | 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: 626d1f6d1abc25864702b4da0fa21da4490e9681741f51a9d84e8d271c089788
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0f2402137ea1664f9c3fb07b6776b379089f125e5a4d6b5c216765941a46f5f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-05-19T20:01:04Z",
    "title_canon_sha256": "19bc9e366075eac48bda4286b37e992e432dee0cbc32060b766b93ecc9b22f86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4874",
    "kind": "arxiv",
    "version": 1
  }
}