Pith Number

pith:R4BVLY6C

pith:2015:R4BVLY6CXJCDXVES6EE4MEPST3

not attested not anchored not stored refs pending

Quasar Host Environments: The view from Planck

Christophe Magneville, Christophe Y\`eche, James G. Bartlett, Jean-Baptiste Melin, Lo\"ic Verdier, Nathalie Palanque-Delabrouille

arxiv:1509.07306 v2 · 2015-09-24 · 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{R4BVLY6CXJCDXVES6EE4MEPST3}

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	2026-05-18T01:18:54.209602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f0355e3c2ba443bd492f109c611f29ef28f7d4a8287c7f4b5bf167a354b2512

Aliases

arxiv: 1509.07306 · arxiv_version: 1509.07306v2 · doi: 10.48550/arxiv.1509.07306 · pith_short_12: R4BVLY6CXJCD · pith_short_16: R4BVLY6CXJCDXVES · pith_short_8: R4BVLY6C

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/R4BVLY6CXJCDXVES6EE4MEPST3 \
  | 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: 8f0355e3c2ba443bd492f109c611f29ef28f7d4a8287c7f4b5bf167a354b2512

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22e1f15d6d9ee922f357c487ad32e4d7d3ad2b68eb9e43906585fedb12c20e5f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-09-24T10:36:46Z",
    "title_canon_sha256": "8bc804697220cd55f4538ea6a2d19fb54b610c591b8c1292814762e475151d21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07306",
    "kind": "arxiv",
    "version": 2
  }
}