Pith Number

pith:7XJH2C46

pith:2013:7XJH2C46HWHDZEITIQUAGVZVCQ

not attested not anchored not stored refs pending

Discovery of high-frequency iron K lags in Ark 564 and Mrk 335

A. C. Fabian, A. Zoghbi, D. R. Wilkins, E. Kara, E. M. Cackett, P. Uttley

arxiv:1306.2551 v1 · 2013-06-11 · 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{7XJH2C46HWHDZEITIQUAGVZVCQ}

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	2026-05-18T01:49:23.669925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdd27d0b9e3d8e3c91134428035735142d0c0da327c8004b776b078c60604128

Aliases

arxiv: 1306.2551 · arxiv_version: 1306.2551v1 · doi: 10.48550/arxiv.1306.2551 · pith_short_12: 7XJH2C46HWHD · pith_short_16: 7XJH2C46HWHDZEIT · pith_short_8: 7XJH2C46

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/7XJH2C46HWHDZEITIQUAGVZVCQ \
  | 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: fdd27d0b9e3d8e3c91134428035735142d0c0da327c8004b776b078c60604128

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18c432ed58ac795fe687eec84ae30486504415bfc1d632e4842b939f77f2e60a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-06-11T15:24:41Z",
    "title_canon_sha256": "7b05ed8cd394fb058cda23649febd02881827b4359dec333e85aaab70375240d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.2551",
    "kind": "arxiv",
    "version": 1
  }
}