Pith Number

pith:4RXRCQA2

pith:2016:4RXRCQA2EVJAWA4KDFHMORRATT

not attested not anchored not stored refs pending

Untangling galaxy components: full spectral bulge-disc decomposition

Alfonso Arag\'on-Salamanca, Evelyn Johnston, Martha Tabor, Michael Merrifield, Michele Cappellari, Steven P. Bamford

arxiv:1612.01957 v1 · 2016-12-06 · 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{4RXRCQA2EVJAWA4KDFHMORRATT}

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	2026-05-18T00:52:13.426362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e46f11401a25520b038a194ec746209cf049bb1f6395a09cbb85f3fe42382ee8

Aliases

arxiv: 1612.01957 · arxiv_version: 1612.01957v1 · doi: 10.48550/arxiv.1612.01957 · pith_short_12: 4RXRCQA2EVJA · pith_short_16: 4RXRCQA2EVJAWA4K · pith_short_8: 4RXRCQA2

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/4RXRCQA2EVJAWA4KDFHMORRATT \
  | 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: e46f11401a25520b038a194ec746209cf049bb1f6395a09cbb85f3fe42382ee8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38bc29d4f2e8ca23ecb4ad55fb853a6e6b40b928f0f5cdaeecd46c7268fed6cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-12-06T19:28:22Z",
    "title_canon_sha256": "f002ff6a865378f81f7d9a08da6a33afecf278f35af89c5ad0ce9d4d16fbc47e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01957",
    "kind": "arxiv",
    "version": 1
  }
}