Pith Number

pith:D2AY4CTN

pith:2015:D2AY4CTNY7UZCES6OXT6ZNEP2I

not attested not anchored not stored refs pending

On the Covering Fraction Variability in an EUV Mini-BAL Outflow from PG 1206+459

India), Jane Charlton (PSU, Michael Eracleous (PSU, Raghunathan Srianand (IUCAA, Sowgat Muzahid (PSU, USA)

arxiv:1509.07850 v2 · 2015-09-25 · 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{D2AY4CTNY7UZCES6OXT6ZNEP2I}

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	2026-05-18T01:20:42.907090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e818e0a6dc7e991125e75e7ecb48fd2382d5576cb0e00119267ceb156ec8d99

Aliases

arxiv: 1509.07850 · arxiv_version: 1509.07850v2 · doi: 10.48550/arxiv.1509.07850 · pith_short_12: D2AY4CTNY7UZ · pith_short_16: D2AY4CTNY7UZCES6 · pith_short_8: D2AY4CTN

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/D2AY4CTNY7UZCES6OXT6ZNEP2I \
  | 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: 1e818e0a6dc7e991125e75e7ecb48fd2382d5576cb0e00119267ceb156ec8d99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "677412ad3f853fbdd1bd064bd0a69c2646cbc507b7a7c925bf41c23d4c949aa8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-09-25T19:33:17Z",
    "title_canon_sha256": "0204bbee3fa04a7581e1a391ba6c33fee9f271e1adf71f18b9245c7b115b27a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07850",
    "kind": "arxiv",
    "version": 2
  }
}