Pith Number

pith:RTT6UNHL

pith:2014:RTT6UNHLBINONZ33BXNTZSHJQN

not attested not anchored not stored refs pending

Ultra-faint high-redshift galaxies in the Frontier Fields

Andrea Ferrara, Bin Yue, Eros Vanzella, Ruben Salvaterra

arxiv:1405.3440 v2 · 2014-05-14 · 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{RTT6UNHLBINONZ33BXNTZSHJQN}

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	2026-05-18T01:43:12.690152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ce7ea34eb0a1ae6e77b0ddb3cc8e98348b97dfd64fca897103671b0cf5f549a

Aliases

arxiv: 1405.3440 · arxiv_version: 1405.3440v2 · doi: 10.48550/arxiv.1405.3440 · pith_short_12: RTT6UNHLBINO · pith_short_16: RTT6UNHLBINONZ33 · pith_short_8: RTT6UNHL

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/RTT6UNHLBINONZ33BXNTZSHJQN \
  | 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: 8ce7ea34eb0a1ae6e77b0ddb3cc8e98348b97dfd64fca897103671b0cf5f549a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7785c0234f787246d0fd4c9bd710cb589c901a34afee17bd98b470b8a33e5229",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-05-14T10:23:36Z",
    "title_canon_sha256": "1d6bb32e58113d3bc389299060fcb0855a1bf76215c655f7c64461055913e95c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.3440",
    "kind": "arxiv",
    "version": 2
  }
}