Pith Number

pith:G4FANCBK

pith:2012:G4FANCBKAMLPBGR5JGM7ZRJEYT

not attested not anchored not stored refs pending

Spectral monitoring of RX J1856.5-3754 with XMM-Newton. Analysis of EPIC-pn data

A. De Luca, A. Tiengo, F. Haberl, N. Sartore, R. Turolla, S. Mereghetti

arxiv:1202.2121 v1 · 2012-02-09 · 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{G4FANCBKAMLPBGR5JGM7ZRJEYT}

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	2026-05-18T01:58:31.563643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

370a06882a0316f09a3d4999fcc524c4cbdc72a15396b50476bd602e54475cbf

Aliases

arxiv: 1202.2121 · arxiv_version: 1202.2121v1 · doi: 10.48550/arxiv.1202.2121 · pith_short_12: G4FANCBKAMLP · pith_short_16: G4FANCBKAMLPBGR5 · pith_short_8: G4FANCBK

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/G4FANCBKAMLPBGR5JGM7ZRJEYT \
  | 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: 370a06882a0316f09a3d4999fcc524c4cbdc72a15396b50476bd602e54475cbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "765b02f0a4b93da588b92bd343bc5af427a79b2a340154de225530c6b92669e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-02-09T21:00:04Z",
    "title_canon_sha256": "ca61b18571547e0a5d7d37bb6b7ab3ff81655df618c9fe0b55c2dd80e135633a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2121",
    "kind": "arxiv",
    "version": 1
  }
}