Pith Number

pith:C5VMKLNE

pith:2011:C5VMKLNEGE7WAI3457QWSIPQ5W

not attested not anchored not stored refs pending

Superhumps and post-outburst rebrightening episodes in the AM CVn star SDSS J012940.05+384210.4

David Boyd, Jeremy Shears, Robert Koff, Steve Brady, William Goff

arxiv:1104.0107 v1 · 2011-04-01 · 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{C5VMKLNEGE7WAI3457QWSIPQ5W}

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	2026-05-18T04:25:12.413788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

176ac52da4313f60237cefe16921f0ed885539561ed56acbe43e81a0a9858ba7

Aliases

arxiv: 1104.0107 · arxiv_version: 1104.0107v1 · doi: 10.48550/arxiv.1104.0107 · pith_short_12: C5VMKLNEGE7W · pith_short_16: C5VMKLNEGE7WAI34 · pith_short_8: C5VMKLNE

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/C5VMKLNEGE7WAI3457QWSIPQ5W \
  | 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: 176ac52da4313f60237cefe16921f0ed885539561ed56acbe43e81a0a9858ba7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "171b2f4a24038060ee41bbc85d36d2ab154738cc90683e8c1b3cb936f8bd5180",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-04-01T08:23:04Z",
    "title_canon_sha256": "71bc1832855454207e93848bac0f2bcde32a1a94b143d468f7d18e457cf56452"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0107",
    "kind": "arxiv",
    "version": 1
  }
}