Pith Number

pith:DUEUQH2C

pith:2017:DUEUQH2C5SIGENU6MUQRX3HVNJ

not attested not anchored not stored refs pending

On the Iron Abundance Anomaly in K-dwarf and Hyades Stars

Alexander C. Sobotka, Ivan Ramirez, Patrick D. Aleo

arxiv:1709.01244 v1 · 2017-09-05 · 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{DUEUQH2C5SIGENU6MUQRX3HVNJ}

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	2026-05-18T00:36:00.575136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d09481f42ec9062369e65211becf56a791ff159bb44398c9e8584e24f1f9f90

Aliases

arxiv: 1709.01244 · arxiv_version: 1709.01244v1 · doi: 10.48550/arxiv.1709.01244 · pith_short_12: DUEUQH2C5SIG · pith_short_16: DUEUQH2C5SIGENU6 · pith_short_8: DUEUQH2C

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/DUEUQH2C5SIGENU6MUQRX3HVNJ \
  | 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: 1d09481f42ec9062369e65211becf56a791ff159bb44398c9e8584e24f1f9f90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4331350fb2cbdc7a0c4b191dcfd6efc98dce8250799babdc2ab69c109b57f7e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-09-05T06:02:36Z",
    "title_canon_sha256": "2c25dd7ad3ef91724be6f02e2b4354592f9aae54fb4c09ef2f2de69fae0e08d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01244",
    "kind": "arxiv",
    "version": 1
  }
}