Pith Number

pith:UP6QHZ2D

pith:2018:UP6QHZ2D2VI7VNIJEWHQZNZMY5

not attested not anchored not stored refs pending

Cospatial Star Formation and Supermassive Black Hole Growth in $z \sim 3$ Galaxies: Evidence for In-situ Co-evolution

D. Elbaz, G. Barro, G. H. Rieke, J. D. Silverman, K. Nyland, P. Jagannathan, R. J. Ivison, T. Wang, V. Smolcic, W. Rujopakarn

arxiv:1801.07072 v1 · 2018-01-22 · astro-ph.GA · 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{UP6QHZ2D2VI7VNIJEWHQZNZMY5}

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	2026-05-18T00:22:54.775728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3fd03e743d551fab509258f0cb72cc766045347c76db600053ba8607fe19d9d

Aliases

arxiv: 1801.07072 · arxiv_version: 1801.07072v1 · doi: 10.48550/arxiv.1801.07072 · pith_short_12: UP6QHZ2D2VI7 · pith_short_16: UP6QHZ2D2VI7VNIJ · pith_short_8: UP6QHZ2D

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/UP6QHZ2D2VI7VNIJEWHQZNZMY5 \
  | 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: a3fd03e743d551fab509258f0cb72cc766045347c76db600053ba8607fe19d9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a37939c180f7c5d81525020a7b117d190cea38c2ab660c668b4067f36eb27e0",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-22T12:55:43Z",
    "title_canon_sha256": "65416f788085c94ceacb701c29f1c496770931d4a394ea28d7b2270c826647c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07072",
    "kind": "arxiv",
    "version": 1
  }
}