Pith Number

pith:GVMATIL4

pith:2019:GVMATIL4UPHO5TN7GYRNBFYWOH

not attested not anchored not stored refs pending

MAXI J1820+070 with NuSTAR I. An increase in variability frequency but a stable reflection spectrum: coronal properties and implications for the inner disc in black hole binaries

A. C. Fabian, A. W. Shaw, D. Barret, D. J. K. Buisson, D. J. Walton, E. Kara, F. F\"urst, J. A. Garc\'ia, J. A. Tomsick, J. M. Miller, K. K. Madsen, M. L. Parker, P. Gandhi

arxiv:1909.04688 v1 · 2019-09-10 · 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{GVMATIL4UPHO5TN7GYRNBFYWOH}

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	2026-07-05T00:10:43.843998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

355809a17ca3ceeecdbf3622d0971671fd516e6197c09d045ee63d847246da31

Aliases

arxiv: 1909.04688 · arxiv_version: 1909.04688v1 · doi: 10.48550/arxiv.1909.04688 · pith_short_12: GVMATIL4UPHO · pith_short_16: GVMATIL4UPHO5TN7 · pith_short_8: GVMATIL4

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/GVMATIL4UPHO5TN7GYRNBFYWOH \
  | 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: 355809a17ca3ceeecdbf3622d0971671fd516e6197c09d045ee63d847246da31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74ba22498b242e4e692fc1b9926a2bbb68669ecae5122d1799111532e1b3444f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-09-10T18:04:05Z",
    "title_canon_sha256": "8fb86e8f5c4f3577a6a4506d928c9b46de047de5d1415352bc47f15ae5ef0ed6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.04688",
    "kind": "arxiv",
    "version": 1
  }
}