Pith Number

pith:OE4NTU3X

pith:2011:OE4NTU3XRMA3GQT6NFJWHZPJDQ

not attested not anchored not stored refs pending

Chemical abundances and kinematics of a sample of metal-rich barium stars

C.B. Pereira, C. Chavero, E. Jilinski, F. Roig, J.V. Sales Silva

arxiv:1108.2500 v1 · 2011-08-11 · 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{OE4NTU3XRMA3GQT6NFJWHZPJDQ}

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	2026-05-18T04:15:37.556394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7138d9d3778b01b3427e695363e5e91c1978d20b6244cc4ea5dadfee06bf2d12

Aliases

arxiv: 1108.2500 · arxiv_version: 1108.2500v1 · doi: 10.48550/arxiv.1108.2500 · pith_short_12: OE4NTU3XRMA3 · pith_short_16: OE4NTU3XRMA3GQT6 · pith_short_8: OE4NTU3X

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/OE4NTU3XRMA3GQT6NFJWHZPJDQ \
  | 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: 7138d9d3778b01b3427e695363e5e91c1978d20b6244cc4ea5dadfee06bf2d12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce32889fc47b329ab167da7d058570572d05857610ae1d41faa7cc576f3e29d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-08-11T19:39:09Z",
    "title_canon_sha256": "1d5fc6bd81276ba133e1240204efad1191a3856523a70780c65aea45a5e8230e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2500",
    "kind": "arxiv",
    "version": 1
  }
}