Pith Number

pith:VH7FLMSB

pith:2018:VH7FLMSBJTKUHXVKEWKUQWS2JL

not attested not anchored not stored refs pending

An HSC view of the CMASS galaxy sample. Halo mass as a function of stellar mass, size and S\'ersic index

2), (2) Kavli IPMU, (3) Princeton University), Alessandro Sonnenfeld (1, Neta Bahcall (3) ((1) Leiden Observatory, Wenting Wang (2)

arxiv:1811.04934 v1 · 2018-11-12 · 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{VH7FLMSBJTKUHXVKEWKUQWS2JL}

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	2026-05-17T23:55:11.030267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9fe55b2414cd543deaa2595485a5a4af74e5f34cf4b998c36088847de3d4ed4

Aliases

arxiv: 1811.04934 · arxiv_version: 1811.04934v1 · doi: 10.48550/arxiv.1811.04934 · pith_short_12: VH7FLMSBJTKU · pith_short_16: VH7FLMSBJTKUHXVK · pith_short_8: VH7FLMSB

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/VH7FLMSBJTKUHXVKEWKUQWS2JL \
  | 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: a9fe55b2414cd543deaa2595485a5a4af74e5f34cf4b998c36088847de3d4ed4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "962d192ebe0562fd9f1afef4cdd82defb0dc7a5437bd6a642b6e4f4a32d6cb98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-12T19:00:01Z",
    "title_canon_sha256": "a0cc05fe830b40fdae380444d175020830dbc4260d4f28a5b0554e49a617f9ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.04934",
    "kind": "arxiv",
    "version": 1
  }
}