Pith Number

pith:7W2IOIYB

pith:2016:7W2IOIYBMQ4UWSBRSNLLBYD2Y3

not attested not anchored not stored refs pending

Scl-1013644: a CEMP-s star in the Sculptor Dwarf Spheroidal Galaxy

C. Salgado, D. Yong, G. S Da Costa, J. E Norris

arxiv:1608.02252 v1 · 2016-08-07 · 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{7W2IOIYBMQ4UWSBRSNLLBYD2Y3}

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	2026-05-18T01:08:37.561276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdb487230164394b48319356b0e07ac6e7cd4880c4759d86e293b66dc9e62fdd

Aliases

arxiv: 1608.02252 · arxiv_version: 1608.02252v1 · doi: 10.48550/arxiv.1608.02252 · pith_short_12: 7W2IOIYBMQ4U · pith_short_16: 7W2IOIYBMQ4UWSBR · pith_short_8: 7W2IOIYB

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/7W2IOIYBMQ4UWSBRSNLLBYD2Y3 \
  | 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: fdb487230164394b48319356b0e07ac6e7cd4880c4759d86e293b66dc9e62fdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5da534bc88c6c929f8ad5eb3ce08e52c70f851c137c24a208c39352ecc988ef5",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-08-07T18:13:43Z",
    "title_canon_sha256": "75a8a1b5e5bc9dad44e560e36f90a7cb5f6c30329b334d2f014bc464f53f3c42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.02252",
    "kind": "arxiv",
    "version": 1
  }
}