Pith Number

pith:WUXW3XAW

pith:2015:WUXW3XAWIF53IEN4MY7V4OOJB7

not attested not anchored not stored refs pending

GTC optical imaging of extremely red 5C radio galaxies at high redshift

2), (2) Instituto Nacional de Astrof\'isica, A. Humphrey (1, Madrid, Mexico (3) Centro de Astrobiolog\'ia (INTA-CSIC), M. Villar-Mart\'in (3), \'Optica y Electr\'onica (INAOE), P. Lagos (1) ((1) Universidade do Porto, Portugal, Puebla, Spain)

arxiv:1509.06800 v1 · 2015-09-22 · 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{WUXW3XAWIF53IEN4MY7V4OOJB7}

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	2026-05-18T01:23:55.284513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b52f6ddc16417bb411bc663f5e39c90ff65e67e7212f596c9d3863ff7fa18b61

Aliases

arxiv: 1509.06800 · arxiv_version: 1509.06800v1 · doi: 10.48550/arxiv.1509.06800 · pith_short_12: WUXW3XAWIF53 · pith_short_16: WUXW3XAWIF53IEN4 · pith_short_8: WUXW3XAW

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/WUXW3XAWIF53IEN4MY7V4OOJB7 \
  | 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: b52f6ddc16417bb411bc663f5e39c90ff65e67e7212f596c9d3863ff7fa18b61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bebc450233624fe6cec5e9374e7bd97334e8f2e4c16c408b8e1f10d3887315d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-09-22T22:34:09Z",
    "title_canon_sha256": "a2ff639603c8c40932940a3a313a6058cf7915933cd5d29f1e7c5c7760dba36a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06800",
    "kind": "arxiv",
    "version": 1
  }
}