Pith Number

pith:P3VCDY5A

pith:2019:P3VCDY5ANNOC4ZOZ4NB7RFEOPG

not attested not anchored not stored refs pending

Revisiting The Spectral and Timing Properties of NGC 4151

Abderahmen Zoghbi, Ed Cackett, Jon Miller

arxiv:1908.09862 v1 · 2019-08-26 · 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{P3VCDY5ANNOC4ZOZ4NB7RFEOPG}

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	2026-07-05T00:12:05.475265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7eea21e3a06b5c2e65d9e343f8948e79bb143e213401dbf0d0ec249b0b2dc55f

Aliases

arxiv: 1908.09862 · arxiv_version: 1908.09862v1 · doi: 10.48550/arxiv.1908.09862 · pith_short_12: P3VCDY5ANNOC · pith_short_16: P3VCDY5ANNOC4ZOZ · pith_short_8: P3VCDY5A

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/P3VCDY5ANNOC4ZOZ4NB7RFEOPG \
  | 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: 7eea21e3a06b5c2e65d9e343f8948e79bb143e213401dbf0d0ec249b0b2dc55f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bf1191eacb3c6f8ef189baef08bb74151fbe571acd203d35c6f65fba6e8901a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-08-26T18:05:35Z",
    "title_canon_sha256": "93b56f107a1b1f0b51908ca68710a7648c1258628d38b1c4101e3c851362c2ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09862",
    "kind": "arxiv",
    "version": 1
  }
}