Pith Number

pith:HO7XEKCB

pith:2018:HO7XEKCBFIWL3BU6MJA4LOUU4S

not attested not anchored not stored refs pending

Growing up in a megalopolis: Environmental effects on galaxy evolution in a supercluster at z~0.65 in UKIDSS UDS

Adriano Fontana, Alessandra Beifiori, Alexis Finoguenov, Andrea Grazian, Audrey Galametz, Dale D. Kocevski, Laura Pentericci, Marco Castellano, Marco Scodeggio, Matteo Fossati, Omar Almaini, Trevor Mendel, Will G. Hartley

arxiv:1801.03939 v1 · 2018-01-11 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HO7XEKCBFIWL3BU6MJA4LOUU4S}

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	2026-05-18T00:25:15.165607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bbf7228412a2cbd869e6241c5ba94e4a4f6dd65719a3eb56f647045fd90619e

Aliases

arxiv: 1801.03939 · arxiv_version: 1801.03939v1 · doi: 10.48550/arxiv.1801.03939 · pith_short_12: HO7XEKCBFIWL · pith_short_16: HO7XEKCBFIWL3BU6 · pith_short_8: HO7XEKCB

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/HO7XEKCBFIWL3BU6MJA4LOUU4S \
  | 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: 3bbf7228412a2cbd869e6241c5ba94e4a4f6dd65719a3eb56f647045fd90619e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8a81b3616441d29a7be9041052e750fc7735d5dedeadc20a67098a780ec7876",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-01-11T19:00:01Z",
    "title_canon_sha256": "df618a882e2bd2cabf79a6c3179b4863411efda43034ce8ad24ca699904e18d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03939",
    "kind": "arxiv",
    "version": 1
  }
}