Pith Number

pith:3DLOD2DE

pith:2013:3DLOD2DE7LGJIHZTJNTWPY5OWS

not attested not anchored not stored refs pending

The Mass of Quasars

Hubble Fellow), Yue Shen (Carnegie Observatories

arxiv:1302.2643 v1 · 2013-02-11 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3DLOD2DE7LGJIHZTJNTWPY5OWS}

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.

Cited by

2 papers in Pith

The Impact of Supermassive Black Holes on Exoplanet Habitability. I. Spanning the Natural Mass Range

Optical Variability Structure Function of Low-Luminosity AGN using ATLAS Lightcurves

Receipt and verification

First computed	2026-05-18T03:33:51.357901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8d6e1e864facc941f334b6767e3aeb4b9bd24b598c31886ad7d5226ca34a48f

Aliases

arxiv: 1302.2643 · arxiv_version: 1302.2643v1 · doi: 10.48550/arxiv.1302.2643 · pith_short_12: 3DLOD2DE7LGJ · pith_short_16: 3DLOD2DE7LGJIHZT · pith_short_8: 3DLOD2DE

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/3DLOD2DE7LGJIHZTJNTWPY5OWS \
  | 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: d8d6e1e864facc941f334b6767e3aeb4b9bd24b598c31886ad7d5226ca34a48f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0748488dd44575783fbf0ee7c8205131dff1294734a651a92f2da407dc1373bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-02-11T21:08:52Z",
    "title_canon_sha256": "c5e17940df1451c7ccbe1f31b1599b2cb186fde63231787c2501088feee7e287"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2643",
    "kind": "arxiv",
    "version": 1
  }
}