Pith Number

pith:XUPHRGYY

pith:2018:XUPHRGYYTDOREBPOTBW3ETL6TQ

not attested not anchored not stored refs pending

The mid-infrared properties and gas content of active galaxies over large look-back times

S. J. Curran, S. W. Duchesne

arxiv:1802.05760 v2 · 2018-02-15 · 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{XUPHRGYYTDOREBPOTBW3ETL6TQ}

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	2026-05-18T00:21:19.637581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd1e789b1898dd1205ee986db24d7e9c1a22c77f898a016a7534e3d74c631f79

Aliases

arxiv: 1802.05760 · arxiv_version: 1802.05760v2 · doi: 10.48550/arxiv.1802.05760 · pith_short_12: XUPHRGYYTDOR · pith_short_16: XUPHRGYYTDOREBPO · pith_short_8: XUPHRGYY

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/XUPHRGYYTDOREBPOTBW3ETL6TQ \
  | 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: bd1e789b1898dd1205ee986db24d7e9c1a22c77f898a016a7534e3d74c631f79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c0fc32762eac29ca10a626eafdeb7d2beb4dd657ab62d3e3e46140da797ef42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-15T20:53:16Z",
    "title_canon_sha256": "479f5ef58bccd1029255a013abc28e2858fa1d04eafe4a78ee63c6a922770631"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05760",
    "kind": "arxiv",
    "version": 2
  }
}