Pith Number

pith:ZKMUWTNV

pith:2014:ZKMUWTNVRCOULK22MXHBXJNA4N

not attested not anchored not stored refs pending

Hubble Space Telescope Near-Ultraviolet Spectroscopy of the Bright CEMP-no Star BD+44 493

Anna Frebel, Christopher Sneden, Dan Filler, Hendrik Schatz, Ian Roederer, Inese I. Ivans, James E. Lawler, Jennifer Sobeck, John Cowan, Timothy Beers, Verne Smith, Vinicius Placco, Wako Aoki

arxiv:1406.0538 v1 · 2014-06-02 · 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{ZKMUWTNVRCOULK22MXHBXJNA4N}

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	2026-05-18T01:43:02.714729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca994b4db5889d45ab5a65ce1ba5a0e37ea86cf386212d986c32826f07f9c1d0

Aliases

arxiv: 1406.0538 · arxiv_version: 1406.0538v1 · doi: 10.48550/arxiv.1406.0538 · pith_short_12: ZKMUWTNVRCOU · pith_short_16: ZKMUWTNVRCOULK22 · pith_short_8: ZKMUWTNV

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/ZKMUWTNVRCOULK22MXHBXJNA4N \
  | 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: ca994b4db5889d45ab5a65ce1ba5a0e37ea86cf386212d986c32826f07f9c1d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91f2ed3476b6d67c4465a6222ccae95652bbf08f00b8a7133eea547b53cace0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-06-02T21:29:51Z",
    "title_canon_sha256": "199c893d0b20b12e198579a1ab0429533e2c9c6b3aec2fb25f1209b91a0f6ff5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.0538",
    "kind": "arxiv",
    "version": 1
  }
}