Pith Number

pith:CUMHPWRC

pith:2012:CUMHPWRCP2NO5ORNGNIPGZZX4X

not attested not anchored not stored refs pending

KIC 10449976: discovery of an extreme-helium subdwarf in the Kepler field

((1) Armagh Observatory, (2) IAC, 3), (3) Universidad de La Laguna, (4) Warwick, (5) NASA Ames (6) Bay Area ERI, 6), (7) ING (8) MSSL-UCL, 8), (9) Finca), A. Brooks (1, C.S. Jeffery (1), G. Ramsay (1), N. Naslim (1), P. Hakala (9), R. Carrera (2, R. Karjalainen (7), S. Greiss (4), T. Barclay (5

arxiv:1212.1358 v1 · 2012-12-06 · 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{CUMHPWRCP2NO5ORNGNIPGZZX4X}

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	2026-05-18T01:52:46.954683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

151877da227e9aeeba2d3350f36737e5ee5a5293b4b6ec8462311a450502a36e

Aliases

arxiv: 1212.1358 · arxiv_version: 1212.1358v1 · doi: 10.48550/arxiv.1212.1358 · pith_short_12: CUMHPWRCP2NO · pith_short_16: CUMHPWRCP2NO5ORN · pith_short_8: CUMHPWRC

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/CUMHPWRCP2NO5ORNGNIPGZZX4X \
  | 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: 151877da227e9aeeba2d3350f36737e5ee5a5293b4b6ec8462311a450502a36e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec9977fb29c938b021f1117694005c16a76bdc8773ab1e97c1ad213da1f23c51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-12-06T15:58:44Z",
    "title_canon_sha256": "a6d00f93c5165148e380ad229a22bd22580f592770ffb128ead8dcc486d2fc56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.1358",
    "kind": "arxiv",
    "version": 1
  }
}