Pith Number

pith:VDSAMO2Y

pith:2014:VDSAMO2YGRNJIKONE2AR6S6PFU

not attested not anchored not stored refs pending

New Detections of Arsenic, Selenium, and Other Heavy Elements in Two Metal-Poor Stars

Anna Frebel, Christopher Sneden, Hendrik Schatz, Ian U. Roederer, Inese I. Ivans, James E. Lawler, Jennifer S. Sobeck, John J. Cowan, Timothy C. Beers

arxiv:1406.4554 v1 · 2014-06-17 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VDSAMO2YGRNJIKONE2AR6S6PFU}

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	2026-05-18T01:42:55.569341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8e4063b58345a9429cd26811f4bcf2d321631529f13f2e38578752b5999df91

Aliases

arxiv: 1406.4554 · arxiv_version: 1406.4554v1 · doi: 10.48550/arxiv.1406.4554 · pith_short_12: VDSAMO2YGRNJ · pith_short_16: VDSAMO2YGRNJIKON · pith_short_8: VDSAMO2Y

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/VDSAMO2YGRNJIKONE2AR6S6PFU \
  | 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: a8e4063b58345a9429cd26811f4bcf2d321631529f13f2e38578752b5999df91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4e02b598261017f831046dfa0ef546ac24a8451833c2b0bfd8a417d9dfc1dc0",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-06-17T23:07:29Z",
    "title_canon_sha256": "426affd00c03245230432c5f19f4c72e0cb13a94539dd6df0fc5934a8517797c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.4554",
    "kind": "arxiv",
    "version": 1
  }
}