Pith Number

pith:TSSIWV7P

pith:2013:TSSIWV7PSYERVXI7QEMMNQ5Z37

not attested not anchored not stored refs pending

Unveiling The Sigma-Discrepancy II: Revisiting the Evolution of ULIRGs & The Origin of Quasars

2, (2) Space Telescope Science Institute, 3, (3) George Mason University, 4), (4) Leibniz-Institut fur Astrophysik Potsdam (AIP), (5) Naval Research Laboratory, (6) European Southern Observatory, (7) Institute for Astronomy, Barry Rothberg (1, D.B. Sanders (7) ((1) National Research Council Postdoctoral Fellow at Naval Research Laboratory, Department of Physics & Astronomy, Jacqueline Fischer (5), Myriam Rodrigues (6), University of Hawaii)

arxiv:1302.1680 v2 · 2013-02-07 · 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{TSSIWV7PSYERVXI7QEMMNQ5Z37}

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	2026-05-18T01:51:49.487814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ca48b57ef96091add1f8118c6c3b9dfed348c8eb348daaa44a0e80f3ddc5409

Aliases

arxiv: 1302.1680 · arxiv_version: 1302.1680v2 · doi: 10.48550/arxiv.1302.1680 · pith_short_12: TSSIWV7PSYER · pith_short_16: TSSIWV7PSYERVXI7 · pith_short_8: TSSIWV7P

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/TSSIWV7PSYERVXI7QEMMNQ5Z37 \
  | 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: 9ca48b57ef96091add1f8118c6c3b9dfed348c8eb348daaa44a0e80f3ddc5409

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b79c021a127b28e0ccff92ecb82dca0800a662a0a2a6f7ba7c99445cc3d8159a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-02-07T09:44:31Z",
    "title_canon_sha256": "4c3ae6a8e56f4d3dd911166066676ce6aceaa4adcd62da64e8a86784703ff35e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1680",
    "kind": "arxiv",
    "version": 2
  }
}