Pith Number

pith:56A4MCD6

pith:2015:56A4MCD6KEQICOC32UIKDPYRIA

not attested not anchored not stored refs pending

Novalike Cataclysmic Variables are Significant Radio Emitters

Christian Knigge, Deanne L. Coppejans, Elmar G. Koerding, Gregory R. Sivakoff, James C.A. Miller-Jones, Michael P. Rupen, Paul J. Groot

arxiv:1506.00003 v1 · 2015-05-29 · 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{56A4MCD6KEQICOC32UIKDPYRIA}

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	2026-05-18T01:59:55.706984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef81c6087e512081385bd510a1bf11401682a37be503f29da211902311034aaf

Aliases

arxiv: 1506.00003 · arxiv_version: 1506.00003v1 · doi: 10.48550/arxiv.1506.00003 · pith_short_12: 56A4MCD6KEQI · pith_short_16: 56A4MCD6KEQICOC3 · pith_short_8: 56A4MCD6

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/56A4MCD6KEQICOC32UIKDPYRIA \
  | 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: ef81c6087e512081385bd510a1bf11401682a37be503f29da211902311034aaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c20c82eb970c8c29e3e6a6e4873281642a33ea78c52d5c8344afd3e29dc6bd57",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-05-29T20:00:33Z",
    "title_canon_sha256": "d6584a35884b6514bb84502df2afdc51a9cb6034dc2ba25f6b8583ec26ea2563"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.00003",
    "kind": "arxiv",
    "version": 1
  }
}