Pith Number

pith:XUNJZWD2

pith:2016:XUNJZWD2NUHQWDQBS5GPQGEEXU

not attested not anchored not stored refs pending

Chemical analysis of a carbon-enhanced very metal-poor star: CD-27 14351

(2) Institute of Astronomy, Aruna Goswami (1), Bangalore 560034, Cambridge CB3 0HA, Drisya Karinkuzhi (1), Koramangala, Madingley Road, Thomas Masseron (2) ((1) Indian Institute of Astrophysics, UK)

arxiv:1611.01637 v1 · 2016-11-05 · 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{XUNJZWD2NUHQWDQBS5GPQGEEXU}

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	2026-05-18T00:53:06.929116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd1a9cd87a6d0f0b0e01974cf81884bd1344716ef971d4843e978b37195bde38

Aliases

arxiv: 1611.01637 · arxiv_version: 1611.01637v1 · doi: 10.48550/arxiv.1611.01637 · pith_short_12: XUNJZWD2NUHQ · pith_short_16: XUNJZWD2NUHQWDQB · pith_short_8: XUNJZWD2

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/XUNJZWD2NUHQWDQBS5GPQGEEXU \
  | 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: bd1a9cd87a6d0f0b0e01974cf81884bd1344716ef971d4843e978b37195bde38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4defd185076710a80cbcebb7febc343066a07dcef5e72b1133b71dcba62ae8f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-11-05T12:11:48Z",
    "title_canon_sha256": "4a6cceab64443a9152909490b7c22290a176a03dae197fc7743835a45c808df9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.01637",
    "kind": "arxiv",
    "version": 1
  }
}