Pith Number

pith:K56XOW6A

pith:2015:K56XOW6AN6OEISUN3NDC2C5D4P

not attested not anchored not stored refs pending

The systematic search for $z\gtrsim5$ active galactic nuclei in the $Chandra$ Deep Field South

(2) Departamento de Astronom\'ia, (3) Physics Department, Anna K. Weigel (1), Astrophysics, Benny Trakhtenbrot (1) ((1) Institute for Astronomy, C. Megan Urry (3), ETH Z\"urich, Ezequiel Treister (2), Kevin Schawinski (1), Michael Koss (1), Universidad de Concepci\'on, Yale Center for Astronomy, Yale University)

arxiv:1501.06580 v1 · 2015-01-26 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K56XOW6AN6OEISUN3NDC2C5D4P}

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	2026-05-18T01:41:08.486299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

577d775bc06f9c444a8ddb462d0ba3e3d7edba9f0bbaa790faf384ca3c94c82c

Aliases

arxiv: 1501.06580 · arxiv_version: 1501.06580v1 · doi: 10.48550/arxiv.1501.06580 · pith_short_12: K56XOW6AN6OE · pith_short_16: K56XOW6AN6OEISUN · pith_short_8: K56XOW6A

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/K56XOW6AN6OEISUN3NDC2C5D4P \
  | 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: 577d775bc06f9c444a8ddb462d0ba3e3d7edba9f0bbaa790faf384ca3c94c82c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b59ac58e85076b506cc84ec66ac608057fe81f4db806c2a429c8eddcad113a5",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-01-26T21:00:14Z",
    "title_canon_sha256": "ef514faadc6b3a6e1b6c9a7c1ed0a8890fd02d9d0d83c2b2e9c14f491086389e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06580",
    "kind": "arxiv",
    "version": 1
  }
}