Pith Number

pith:MRYXWGSW

pith:2015:MRYXWGSW4GXRWXYLVOJL5WOF7T

not attested not anchored not stored refs pending

The Spitzer mid-infrared AGN survey. II-the demographics and cosmic evolution of the AGN population

(2) NOAO, (3) Tufts University, (4) Gemini, (5) UCO/Lick Observatory, (6) Potsdam, (7) Spitzer Science Center, Andreea O. Petric (4), Anna Sajina (3), Caltech), Elinor L. Gates (5), Lisa J. Storrie-Lombardi (7) ((1) NRAO, Mark Lacy (1), Susan E. Ridgway (2), Tanya Urrutia (6)

arxiv:1501.04118 v1 · 2015-01-16 · 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{MRYXWGSW4GXRWXYLVOJL5WOF7T}

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	2026-05-18T01:41:10.491230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64717b1a56e1af1b5f0bab92bed9c5fcea5b22e63e8335ce9283c6edc0625ba4

Aliases

arxiv: 1501.04118 · arxiv_version: 1501.04118v1 · doi: 10.48550/arxiv.1501.04118 · pith_short_12: MRYXWGSW4GXR · pith_short_16: MRYXWGSW4GXRWXYL · pith_short_8: MRYXWGSW

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/MRYXWGSW4GXRWXYLVOJL5WOF7T \
  | 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: 64717b1a56e1af1b5f0bab92bed9c5fcea5b22e63e8335ce9283c6edc0625ba4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "242d70d295ceb8b21cca35697f6bda113eb3673b725056d584fb8b484466ccd9",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-01-16T21:34:35Z",
    "title_canon_sha256": "9839d0007a1e750dc98c7e142f47e03cced7b67c3862fdbc185403dba0ab718e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04118",
    "kind": "arxiv",
    "version": 1
  }
}