Pith Number

pith:WU2OARLL

pith:2019:WU2OARLLVYBMWHSA3E6TTWVQX4

not attested not anchored not stored refs pending

Ultra-violet photo-ionisation in far-infrared selected sources

S. J. Curran, S. W. Duchesne

arxiv:1906.07376 v1 · 2019-06-18 · 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{WU2OARLLVYBMWHSA3E6TTWVQX4}

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	2026-05-17T23:41:07.680882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b534e0456bae02cb1e40d93d39dab0bf3e45240576b9df68d10c5589aeff852b

Aliases

arxiv: 1906.07376 · arxiv_version: 1906.07376v1 · doi: 10.48550/arxiv.1906.07376 · pith_short_12: WU2OARLLVYBM · pith_short_16: WU2OARLLVYBMWHSA · pith_short_8: WU2OARLL

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/WU2OARLLVYBMWHSA3E6TTWVQX4 \
  | 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: b534e0456bae02cb1e40d93d39dab0bf3e45240576b9df68d10c5589aeff852b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71a0e9e481b313bee204fec86cac3819f792fb0bd495fcdaf772dea5f079307d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-06-18T04:47:28Z",
    "title_canon_sha256": "55cd51b7fdeb88840da0e02ad2e8580c07f518193d33bc9ea795d67da5078d37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.07376",
    "kind": "arxiv",
    "version": 1
  }
}