Pith Number

pith:777SM52G

pith:2014:777SM52GP2KLTONRS2IFO5ACOY

not attested not anchored not stored refs pending

The nebular emission of star-forming galaxies in a hierarchical universe

Alvaro Orsi, Andres Ruiz, Brent Groves, Ignacio Gargiulo, Nelson Padilla, Sofia Cora, Tomas Tecce

arxiv:1402.5145 v2 · 2014-02-20 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{777SM52GP2KLTONRS2IFO5ACOY}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:44:29.886594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffff2677467e94b9b9b19690577402761dffa62059b38a365e477fbb42edf43e

Aliases

arxiv: 1402.5145 · arxiv_version: 1402.5145v2 · doi: 10.48550/arxiv.1402.5145 · pith_short_12: 777SM52GP2KL · pith_short_16: 777SM52GP2KLTONR · pith_short_8: 777SM52G

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/777SM52GP2KLTONRS2IFO5ACOY \
  | 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: ffff2677467e94b9b9b19690577402761dffa62059b38a365e477fbb42edf43e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a84e97a8ca998e916516e1c1a873b0c69e593375d0b2e5a4d91c94ba2bc9d00b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-02-20T21:00:19Z",
    "title_canon_sha256": "3878f1123b29e74c6238c9e59dca9d02a2eb89cd095de42436a6545b9c10521c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.5145",
    "kind": "arxiv",
    "version": 2
  }
}