Pith Number

pith:E6XIWAEF

pith:2024:E6XIWAEFM2JY3OTX3HWDPOYYRR

not attested not anchored not stored refs pending

H$\alpha$ Reverberation Mapping from Broad-band Photometry of Dwarf Seyfert 1 Galaxy NGC 4395

Hengxiao Guo, Huapeng Gu, Qinchun Ma, Xue-Bing Wu, Yuhan Wen

arxiv:2404.11495 v2 · 2024-04-17 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E6XIWAEFM2JY3OTX3HWDPOYYRR}

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	2026-07-05T08:09:31.053790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27ae8b008566938dba77d9ec37bb188c41fb5d65769f9d53a040bf693a23977c

Aliases

arxiv: 2404.11495 · arxiv_version: 2404.11495v2 · doi: 10.48550/arxiv.2404.11495 · pith_short_12: E6XIWAEFM2JY · pith_short_16: E6XIWAEFM2JY3OTX · pith_short_8: E6XIWAEF

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/E6XIWAEFM2JY3OTX3HWDPOYYRR \
  | 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: 27ae8b008566938dba77d9ec37bb188c41fb5d65769f9d53a040bf693a23977c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0f99633dd7cfd65801b106b4dd92decc559fe6f5491d8a7571d3ad49690785e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-04-17T15:50:14Z",
    "title_canon_sha256": "472fbb0150813f023f9ea3b6ab94c4db32efe9ac256eb5e0a01071f3201cd10d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.11495",
    "kind": "arxiv",
    "version": 2
  }
}