Pith Number

pith:5YR4Y32R

pith:2010:5YR4Y32RHBRJWPEMPGPOKE3HEM

not attested not anchored not stored refs pending

The New Hard X-ray Mission

A. Argan, C. Fiorini, E. Costa, F. Fiore, G. Cusumano, G. Malaguti, G. Matt, G. Micela, G. Pareschi, G. Perola, G. Tagliaferri, G. Villa, O. Catalano, R. Bellazzini, S. Mereghetti

arxiv:1004.2691 v1 · 2010-04-15 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5YR4Y32RHBRJWPEMPGPOKE3HEM}

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	2026-07-04T17:26:30.250589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee23cc6f5138629b3c8c799ee513672313a11b3aba4516712ced4d81cd7cc500

Aliases

arxiv: 1004.2691 · arxiv_version: 1004.2691v1 · doi: 10.48550/arxiv.1004.2691 · pith_short_12: 5YR4Y32RHBRJ · pith_short_16: 5YR4Y32RHBRJWPEM · pith_short_8: 5YR4Y32R

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/5YR4Y32RHBRJWPEMPGPOKE3HEM \
  | 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: ee23cc6f5138629b3c8c799ee513672313a11b3aba4516712ced4d81cd7cc500

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f9d5adee34ea0d83101f190ef02812e3085f0ea6c2ed390de4f939dc1046652",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-04-15T19:17:18Z",
    "title_canon_sha256": "7dda0509d3e8d05845340fcc7e359d106df58fb040763838f89609b8ca0cf651"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.2691",
    "kind": "arxiv",
    "version": 1
  }
}