Pith Number

pith:5KIFMTED

pith:2011:5KIFMTEDXAOMG75U5YR5CX4WDN

not attested not anchored not stored refs pending

Spectroscopic Studies of Extremely Metal-Poor Stars with the Subaru High Dispersion Spectrograph. V. The Zn-Enhanced Metal-Poor Star BS 16920-017

Masahide Takada-Hidai, Satoshi Honda, Timothy C. Beers, Wako Aoki

arxiv:1101.4432 v1 · 2011-01-24 · 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{5KIFMTEDXAOMG75U5YR5CX4WDN}

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	2026-05-18T02:03:25.111241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea90564c83b81cc37fb4ee23d15f961b687a57421d2209cc2dcc11837c04ee9e

Aliases

arxiv: 1101.4432 · arxiv_version: 1101.4432v1 · doi: 10.48550/arxiv.1101.4432 · pith_short_12: 5KIFMTEDXAOM · pith_short_16: 5KIFMTEDXAOMG75U · pith_short_8: 5KIFMTED

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/5KIFMTEDXAOMG75U5YR5CX4WDN \
  | 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: ea90564c83b81cc37fb4ee23d15f961b687a57421d2209cc2dcc11837c04ee9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b22a60c9fd834943b53f49af1f8bb1c42d0fa5866db1f88904b4926057bc5763",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-01-24T02:04:56Z",
    "title_canon_sha256": "c6521722a388de1280a541f3306b9e04ccb2bc3382ba8ab8eb5531452b0c8e6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4432",
    "kind": "arxiv",
    "version": 1
  }
}