Pith Number

pith:KUY2GFBZ

pith:2025:KUY2GFBZ4JPUXNSCDCIKQBS5NM

not attested not anchored not stored refs pending

Reprocessing from highly ionized gas in the soft spectral state of V4641 Sgr with NuSTAR

Aarran W. Shaw, Federico Vincentelli, Guglielmo Mastroserio, James F. Steiner, Javier A. Garcia, Joey Neilsen, Phil Uttley, Riley M. T. Connors, Ron Remillard

arxiv:2503.07835 v1 · 2025-03-10 · 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{KUY2GFBZ4JPUXNSCDCIKQBS5NM}

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	2026-07-05T10:28:44.920217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5531a31439e25f4bb6421890a8065d6b262aa861bb31d6f73dc0729652aab6c3

Aliases

arxiv: 2503.07835 · arxiv_version: 2503.07835v1 · doi: 10.48550/arxiv.2503.07835 · pith_short_12: KUY2GFBZ4JPU · pith_short_16: KUY2GFBZ4JPUXNSC · pith_short_8: KUY2GFBZ

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/KUY2GFBZ4JPUXNSCDCIKQBS5NM \
  | 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: 5531a31439e25f4bb6421890a8065d6b262aa861bb31d6f73dc0729652aab6c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fbe64cd088a5a01b66acd18f96d8ef4f89d44eabbb28d0944977d59cb644088",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-03-10T20:26:11Z",
    "title_canon_sha256": "23abe438a0ef80ac593b60941e7ade99bff0b276d90627f5f984b94bd1797b8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.07835",
    "kind": "arxiv",
    "version": 1
  }
}