Pith Number

pith:6B27HW7R

pith:2019:6B27HW7RJD2NZZOV2H2NFQO4PI

not attested not anchored not stored refs pending

High-z dusty star-forming galaxies: a top-heavy initial mass function?

Gianfranco De Zotti, Matteo Bonato, Zhen-Yi Cai

arxiv:1910.06970 v2 · 2019-10-15 · 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{6B27HW7RJD2NZZOV2H2NFQO4PI}

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	2026-07-05T00:45:52.553849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f075f3dbf148f4dce5d5d1f4d2c1dc7a3940e672cf17e97c9fa1909d6f844eea

Aliases

arxiv: 1910.06970 · arxiv_version: 1910.06970v2 · doi: 10.48550/arxiv.1910.06970 · pith_short_12: 6B27HW7RJD2N · pith_short_16: 6B27HW7RJD2NZZOV · pith_short_8: 6B27HW7R

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/6B27HW7RJD2NZZOV2H2NFQO4PI \
  | 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: f075f3dbf148f4dce5d5d1f4d2c1dc7a3940e672cf17e97c9fa1909d6f844eea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbe9e73f698cd5e0597947a3c73b7886feadcd8cdc0108b5406637231d86dc41",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-10-15T18:00:00Z",
    "title_canon_sha256": "2966cd6c62eebe01fb638908579eff0be79a9ae35509a4015c5dbf7ea9e536b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.06970",
    "kind": "arxiv",
    "version": 2
  }
}