Pith Number

pith:YHQY3DVO

pith:2019:YHQY3DVOUH4K7HYUN7AMOABCH4

not attested not anchored not stored refs pending

Optical and X-ray Correlations During the 2015 Outburst of the Black Hole V404 Cyg

C. S. Froning, D. M. Terndrup, E. L. Robinson, P. Gandhi, R. I. Hynes, R. M. Wagner S. Starrfield, T. R. Marsh, V. S. Dhillon

arxiv:1905.00949 v1 · 2019-05-02 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YHQY3DVOUH4K7HYUN7AMOABCH4}

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	2026-05-17T23:46:17.529544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1e18d8eaea1f8af9f146fc0c700223f0ea2e2a6b10aeda049d26ca0c24441ed

Aliases

arxiv: 1905.00949 · arxiv_version: 1905.00949v1 · doi: 10.48550/arxiv.1905.00949 · pith_short_12: YHQY3DVOUH4K · pith_short_16: YHQY3DVOUH4K7HYU · pith_short_8: YHQY3DVO

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/YHQY3DVOUH4K7HYUN7AMOABCH4 \
  | 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: c1e18d8eaea1f8af9f146fc0c700223f0ea2e2a6b10aeda049d26ca0c24441ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4186139717630b73b5029d144fce85d2e2cac026fcaa7f2aae57865f5bcb337f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-05-02T20:14:47Z",
    "title_canon_sha256": "e5a9769ab84e067409c71ad11cbf63c51874620213830b837aa8d815487efee7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00949",
    "kind": "arxiv",
    "version": 1
  }
}