Pith Number

pith:WGENVQ5V

pith:2015:WGENVQ5VIVGUG4TJCL37DNCN3Y

not attested not anchored not stored refs pending

Attenuation of super-soft X-ray sources by circumstellar material

Marat Gilfanov, Mikkel Nielsen

arxiv:1507.04547 v2 · 2015-07-16 · astro-ph.HE · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WGENVQ5VIVGUG4TJCL37DNCN3Y}

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	2026-05-18T01:32:59.802643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b188dac3b5454d43726912f7f1b44dde35a369eeb0013b7b7c1be95d5c6003f2

Aliases

arxiv: 1507.04547 · arxiv_version: 1507.04547v2 · doi: 10.48550/arxiv.1507.04547 · pith_short_12: WGENVQ5VIVGU · pith_short_16: WGENVQ5VIVGUG4TJ · pith_short_8: WGENVQ5V

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/WGENVQ5VIVGUG4TJCL37DNCN3Y \
  | 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: b188dac3b5454d43726912f7f1b44dde35a369eeb0013b7b7c1be95d5c6003f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67e760e6aaedd8711c837d7785ed38c7ca750b1b54dfef4212c5aa299527eeef",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-07-16T12:40:50Z",
    "title_canon_sha256": "efbe1e51f5c72894d9f9d1831639d878d3659f11208993e0d4e6d13761e828ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04547",
    "kind": "arxiv",
    "version": 2
  }
}