Pith Number

pith:RBO7GNFV

pith:2018:RBO7GNFVDC7LO5OWY2QEVVBUAS

not attested not anchored not stored refs pending

Evidence for Rapid Adiabatic Cooling as an Origin of the Recombining Plasma in the Supernova Remnant W49B Revealed by NuSTAR Observations

Adam R. Foster, Aya Bamba, Brian J. Williams, Daniel Castro, Daniel R. Wik, Hiroya Yamaguchi, Hiroyuki Uchida, Jeonghee Rho, Randall K. Smith, Robert Petre, Takaaki Tanaka

arxiv:1811.04426 v2 · 2018-11-11 · 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{RBO7GNFVDC7LO5OWY2QEVVBUAS}

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	2026-05-17T23:59:22.055725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

885df334b518beb775d6c6a04ad4340490f8e0b3fc3ed73e5b6e1909fab53156

Aliases

arxiv: 1811.04426 · arxiv_version: 1811.04426v2 · doi: 10.48550/arxiv.1811.04426 · pith_short_12: RBO7GNFVDC7L · pith_short_16: RBO7GNFVDC7LO5OW · pith_short_8: RBO7GNFV

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/RBO7GNFVDC7LO5OWY2QEVVBUAS \
  | 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: 885df334b518beb775d6c6a04ad4340490f8e0b3fc3ed73e5b6e1909fab53156

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db5b3f91641264b728c654ec8497ade0c412a6db30acc3e79552a5576a234786",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-11-11T14:49:42Z",
    "title_canon_sha256": "da29d3296afbc3d4d1bbd075b2c038793af4aa7f822e7a952a9b50e85eab967d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.04426",
    "kind": "arxiv",
    "version": 2
  }
}