Pith Number

pith:WJKGFFD5

pith:2019:WJKGFFD5RASWRL36V6GBAEOJH5

not attested not anchored not stored refs pending

The source number counts at high energies: SWIFT vs. NuSTAR

A. Akylas, I. Georgantopoulos (IAASARS, National Observatory of Athens)

arxiv:1902.05137 v1 · 2019-02-13 · 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{WJKGFFD5RASWRL36V6GBAEOJH5}

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	2026-05-17T23:44:55.325304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b25462947d882568af7eaf8c1011c93f70cb9d9830dfd699263e170820599d05

Aliases

arxiv: 1902.05137 · arxiv_version: 1902.05137v1 · doi: 10.48550/arxiv.1902.05137 · pith_short_12: WJKGFFD5RASW · pith_short_16: WJKGFFD5RASWRL36 · pith_short_8: WJKGFFD5

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/WJKGFFD5RASWRL36V6GBAEOJH5 \
  | 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: b25462947d882568af7eaf8c1011c93f70cb9d9830dfd699263e170820599d05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "633b8fc1bc86d20c390a1a709e770b525d3522e3d41a933cfa765fc1c95f7baf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-02-13T21:28:06Z",
    "title_canon_sha256": "f7aff640a280c83187843b1cd10e58cf7bacc601666c1b6da6a85acad899ed42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05137",
    "kind": "arxiv",
    "version": 1
  }
}