Pith Number

pith:K4QLATBQ

pith:2013:K4QLATBQRNHFIFHTBQ4MC66VYU

not attested not anchored not stored refs pending

Identifying Lyman Alpha Emitters powered by AGNs

Andrea Ferrara, Sunghye Baek

arxiv:1302.3353 v1 · 2013-02-14 · 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{K4QLATBQRNHFIFHTBQ4MC66VYU}

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	2026-05-18T01:51:41.402198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5720b04c308b4e5414f30c38c17bd5c519555c44569a17c160e609b1091ef00f

Aliases

arxiv: 1302.3353 · arxiv_version: 1302.3353v1 · doi: 10.48550/arxiv.1302.3353 · pith_short_12: K4QLATBQRNHF · pith_short_16: K4QLATBQRNHFIFHT · pith_short_8: K4QLATBQ

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/K4QLATBQRNHFIFHTBQ4MC66VYU \
  | 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: 5720b04c308b4e5414f30c38c17bd5c519555c44569a17c160e609b1091ef00f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddb531c53c5c6871f1210a349446de174ecd187603c8a03e2fd644e3953b2210",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-02-14T10:07:37Z",
    "title_canon_sha256": "7e4f259fc63886948a425dfd7bb6bcb46961a27abbe2cec848c025855a08bd10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3353",
    "kind": "arxiv",
    "version": 1
  }
}