Pith Number

pith:ZQ4A5AYE

pith:2014:ZQ4A5AYEZOXSNDHMRVG2CJCJI3

not attested not anchored not stored refs pending

AGN evolution from a galaxy evolution viewpoint

Benny Trakhtenbrot, Neven Caplar, Simon J. Lilly

arxiv:1411.3719 v2 · 2014-11-13 · 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{ZQ4A5AYEZOXSNDHMRVG2CJCJI3}

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	2026-05-18T01:31:03.607606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc380e8304cbaf268cec8d4da1244946ff6ad14e695e6a535b7e959a9c3e97c0

Aliases

arxiv: 1411.3719 · arxiv_version: 1411.3719v2 · doi: 10.48550/arxiv.1411.3719 · pith_short_12: ZQ4A5AYEZOXS · pith_short_16: ZQ4A5AYEZOXSNDHM · pith_short_8: ZQ4A5AYE

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/ZQ4A5AYEZOXSNDHMRVG2CJCJI3 \
  | 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: cc380e8304cbaf268cec8d4da1244946ff6ad14e695e6a535b7e959a9c3e97c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73a3a743279ca2cea37879d456fa1c0a2f22bfe7aed52a7263307b2960934778",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-11-13T21:00:01Z",
    "title_canon_sha256": "33dcdcc6059e29e76bdea7bf63432fb2287eb3bc70939b4687a410e7df7f7da0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.3719",
    "kind": "arxiv",
    "version": 2
  }
}