Pith Number

pith:WWIKVXOM

pith:2016:WWIKVXOMBD3ZVFSINI5EEDMC3K

not attested not anchored not stored refs pending

High-energy gamma-ray observations of the accreting black hole V404 Cygni during its June 2015 outburst

A. Loh, A. Readhead, G. Dubus, I. Grenier, J. Rodriguez, K. Mooley, R. Fender, S. Corbel, T. Hovatta, T. Pearson

arxiv:1607.06239 v1 · 2016-07-21 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WWIKVXOMBD3ZVFSINI5EEDMC3K}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:10:42.179779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b590aaddcc08f79a96486a3a420d82daab4ece594a50793c240c21f30a66d674

Aliases

arxiv: 1607.06239 · arxiv_version: 1607.06239v1 · doi: 10.48550/arxiv.1607.06239 · pith_short_12: WWIKVXOMBD3Z · pith_short_16: WWIKVXOMBD3ZVFSI · pith_short_8: WWIKVXOM

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/WWIKVXOMBD3ZVFSINI5EEDMC3K \
  | 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: b590aaddcc08f79a96486a3a420d82daab4ece594a50793c240c21f30a66d674

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c08d14f5a6d4f552692ff9d13d92a370ed1fdec056ad24d59794edf1ea949c93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-07-21T09:14:22Z",
    "title_canon_sha256": "c521ddeb7985c782b94395f559a56ead1d902a41dd674808d8ea11a3406fba7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.06239",
    "kind": "arxiv",
    "version": 1
  }
}