Pith Number

pith:2D5XW3HL

pith:2015:2D5XW3HL6MJDPETS2KBQBIZPG7

not attested not anchored not stored refs pending

Anatomy of the AGN in NGC 5548: V. A clear view of the X-ray narrow emission lines

B. De Marco, B.M. Peterson, C. Pinto, E. Behar, E. Costantini, G.A. Kriss, G. Branduardi-Raymont, G. Ponti, J. Ebrero, J.S. Kaastra, K.C. Steenbrugge, L. Di Gesu, M. Cappi, M. Mehdipour, M. Whewell, P. -O Petrucci, S. Bianchi, S. Paltani

arxiv:1509.00274 v1 · 2015-09-01 · 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{2D5XW3HL6MJDPETS2KBQBIZPG7}

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	2026-05-18T01:33:41.698230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0fb7b6cebf312379272d28300a32f37cdc48eaa39ce21d335f7b7a0c65e6dbd

Aliases

arxiv: 1509.00274 · arxiv_version: 1509.00274v1 · doi: 10.48550/arxiv.1509.00274 · pith_short_12: 2D5XW3HL6MJD · pith_short_16: 2D5XW3HL6MJDPETS · pith_short_8: 2D5XW3HL

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/2D5XW3HL6MJDPETS2KBQBIZPG7 \
  | 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: d0fb7b6cebf312379272d28300a32f37cdc48eaa39ce21d335f7b7a0c65e6dbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "328557ab05ed767d7ca3a577bf7000244dcddc0f92e154ebd922056723ae46a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-09-01T13:12:35Z",
    "title_canon_sha256": "bd38fbdfa769fe9be897d02926f671968f235e02d1234371888193467ec58956"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.00274",
    "kind": "arxiv",
    "version": 1
  }
}