Pith Number

pith:2VCF6VQQ

pith:2019:2VCF6VQQLXLWC4KMT6BX6S5TPO

not attested not anchored not stored refs pending

Redshift Horizon for Detecting the First Galaxies in Far-Infared Surveys

Maria Emilia De Rossi, Volker Bromm

arxiv:1903.02512 v2 · 2019-03-06 · 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{2VCF6VQQLXLWC4KMT6BX6S5TPO}

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	2026-07-05T00:08:28.480731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5445f56105dd761714c9f837f4bb37bb2dde66c51bdae2cdc127c757858188b

Aliases

arxiv: 1903.02512 · arxiv_version: 1903.02512v2 · doi: 10.48550/arxiv.1903.02512 · pith_short_12: 2VCF6VQQLXLW · pith_short_16: 2VCF6VQQLXLWC4KM · pith_short_8: 2VCF6VQQ

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/2VCF6VQQLXLWC4KMT6BX6S5TPO \
  | 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: d5445f56105dd761714c9f837f4bb37bb2dde66c51bdae2cdc127c757858188b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bf38e1bbb57b99d7057bb1a72d9ea8c912fbaec26fc52abaaf0f677309632c3",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-03-06T17:37:54Z",
    "title_canon_sha256": "9ee683c7a5e9c6a63f3c02b9a016211aac367220dea6a8b7a0e0fb0a5e74e232"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02512",
    "kind": "arxiv",
    "version": 2
  }
}