Pith Number

pith:G4DFIRRG

pith:2011:G4DFIRRGRPFOODP26YOHB5HOYJ

not attested not anchored not stored refs pending

X-ray Observation of Mars with Suzaku at Solar Minimun

Kumi Ishikawa, Naoki Terada, Takaya Ohashi, Yoshifumi Futaana, Yuichiro Ezoe

arxiv:1109.2520 v1 · 2011-09-12 · astro-ph.EP · 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{G4DFIRRGRPFOODP26YOHB5HOYJ}

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	2026-05-18T01:12:53.430793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37065446268bcae70dfaf61c70f4eec24bb016bb7e082c91aea0c4a2ff26fc73

Aliases

arxiv: 1109.2520 · arxiv_version: 1109.2520v1 · doi: 10.48550/arxiv.1109.2520 · pith_short_12: G4DFIRRGRPFO · pith_short_16: G4DFIRRGRPFOODP2 · pith_short_8: G4DFIRRG

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/G4DFIRRGRPFOODP26YOHB5HOYJ \
  | 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: 37065446268bcae70dfaf61c70f4eec24bb016bb7e082c91aea0c4a2ff26fc73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d5688e629b72a3f9c2c13fe15ffabb31f0fb92b76cc6751410d1a05c95fabe6",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-09-12T16:09:35Z",
    "title_canon_sha256": "6e7332605d4d569e1a626f242b3bc55606287eb0f4e4158d4507010be72fae6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2520",
    "kind": "arxiv",
    "version": 1
  }
}