Pith Number

pith:XSGXR7MO

pith:2016:XSGXR7MODFF3CXYZUPJL7MU3UH

not attested not anchored not stored refs pending

Masses and Ages for 230,000 LAMOST Giants, via Their Carbon and Nitrogen Abundances

Anna Y. Q. Ho (Caltech, Chao Liu (Key Laboratory of Optical Astronomy), David W. Hogg (SCDA, Hans-Walter Rix (MPIA), Melissa K. Ness (MPIA), MPIA), NYU, Yuan-Sen Ting (Harvard)

arxiv:1609.03195 v2 · 2016-09-11 · 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{XSGXR7MODFF3CXYZUPJL7MU3UH}

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	2026-05-18T00:42:23.826299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc8d78fd8e194bb15f19a3d2bfb29ba1c8ee49adf66547620608b6375bae2971

Aliases

arxiv: 1609.03195 · arxiv_version: 1609.03195v2 · doi: 10.48550/arxiv.1609.03195 · pith_short_12: XSGXR7MODFF3 · pith_short_16: XSGXR7MODFF3CXYZ · pith_short_8: XSGXR7MO

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/XSGXR7MODFF3CXYZUPJL7MU3UH \
  | 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: bc8d78fd8e194bb15f19a3d2bfb29ba1c8ee49adf66547620608b6375bae2971

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d28166ab9d22a57d31c792329d6d28445612f90afd1ecc027800e3250ecbf27f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-09-11T19:04:35Z",
    "title_canon_sha256": "032086823d0bca2ecfcd58b16425bd873faacdffa40a46f1f827c872dc387f3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.03195",
    "kind": "arxiv",
    "version": 2
  }
}