Pith Number

pith:LHC77VGD

pith:2019:LHC77VGD4IMS7TVBUQY76ECYRL

not attested not anchored not stored refs pending

Resolving the cosmic X-ray background with a next-generation high-energy X-ray observatory

A. Masini, C. Ricci, D. R. Ballantyne, D. Stern, F. Civano (CfA | Harvard-Smithsonian), F. Fornasini, G. B. Lansbury, G. Lanzuisi, K. K. Madsen, L. Lanz, M. Balokovic, M. L. Jones, P. Gandhi, P. G. Boorman, R. C. Hickox (Dartmouth), R. E. A. Canning, S. Marchesi, T. Ananna, W. N. Brandt

arxiv:1905.11439 v1 · 2019-05-27 · astro-ph.HE · 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{LHC77VGD4IMS7TVBUQY76ECYRL}

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	2026-05-17T23:44:53.411243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59c5ffd4c3e2192fcea1a431ff10588afc4b567ef0374490588cc734b8f4ac39

Aliases

arxiv: 1905.11439 · arxiv_version: 1905.11439v1 · doi: 10.48550/arxiv.1905.11439 · pith_short_12: LHC77VGD4IMS · pith_short_16: LHC77VGD4IMS7TVB · pith_short_8: LHC77VGD

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/LHC77VGD4IMS7TVBUQY76ECYRL \
  | 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: 59c5ffd4c3e2192fcea1a431ff10588afc4b567ef0374490588cc734b8f4ac39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c6f32f4e97905ad6acf445bda8c983f2641fbd7b137eba76888aeb28a176bed",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-05-27T18:27:44Z",
    "title_canon_sha256": "544c2b12e4789a45dacd6d327030b22dad0b534d97af3915db15793fc3461c1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.11439",
    "kind": "arxiv",
    "version": 1
  }
}