Pith Number

pith:5UGBZSGT

pith:2013:5UGBZSGTFPWU2ZLPFCXW2CQRSI

not attested not anchored not stored refs pending

Chemical abundances in the extremely Carbon and Xenon-rich halo planetary nebula H4-1

(2) Subaru Telescope/NAOJ), Akito Tajitsu (2) ((1) ASIAA, Masaaki Otsuka (1)

arxiv:1310.1151 v1 · 2013-10-04 · 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{5UGBZSGTFPWU2ZLPFCXW2CQRSI}

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	2026-05-18T01:47:15.504970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed0c1cc8d32bed4d656f28af6d0a11920d6598ce194b868c872f0a475a3fc526

Aliases

arxiv: 1310.1151 · arxiv_version: 1310.1151v1 · doi: 10.48550/arxiv.1310.1151 · pith_short_12: 5UGBZSGTFPWU · pith_short_16: 5UGBZSGTFPWU2ZLP · pith_short_8: 5UGBZSGT

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/5UGBZSGTFPWU2ZLPFCXW2CQRSI \
  | 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: ed0c1cc8d32bed4d656f28af6d0a11920d6598ce194b868c872f0a475a3fc526

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b546f9c8bd7e5344fbf967b3b8bae338fde8c62dff2f63d22f7d3acd5923edc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-10-04T02:53:54Z",
    "title_canon_sha256": "ac3cd36d8c29c5357400f5d48101b03fe0fa50ac80a5b1cce3fb917b5324dff4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.1151",
    "kind": "arxiv",
    "version": 1
  }
}