Pith Number

pith:EBQ4NSBZ

pith:2015:EBQ4NSBZM4CIH4766VHRI6IENG

not attested not anchored not stored refs pending

Chemical Abundances in the PN Wray16-423 in the Sagittarius Dwarf Spheroidal Galaxy: Constraining the Dust Composition

2) ((1) ASIAA, (2) Subaru Telescope, Masaaki Otsuka (1, NAOJ)

arxiv:1507.02667 v1 · 2015-07-09 · 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{EBQ4NSBZM4CIH4766VHRI6IENG}

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	2026-05-18T01:35:07.062608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2061c6c839670483f3fef54f14790469b2e74681a6683e9e744c1bccc1dfcf08

Aliases

arxiv: 1507.02667 · arxiv_version: 1507.02667v1 · doi: 10.48550/arxiv.1507.02667 · pith_short_12: EBQ4NSBZM4CI · pith_short_16: EBQ4NSBZM4CIH476 · pith_short_8: EBQ4NSBZ

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/EBQ4NSBZM4CIH4766VHRI6IENG \
  | 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: 2061c6c839670483f3fef54f14790469b2e74681a6683e9e744c1bccc1dfcf08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6203e7ae26dd3b9e2221b2c823618925edabc805540e35f53cfea9afa553cab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-07-09T19:33:33Z",
    "title_canon_sha256": "2b8d1153a3affbb84534a107277814dc550da2cb5066b547ed51360af3164049"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02667",
    "kind": "arxiv",
    "version": 1
  }
}