Pith Number

pith:IDDZ4HVV

pith:2014:IDDZ4HVVTNFOJA6DZ2WPFMW3HJ

not attested not anchored not stored refs pending

The hard X-ray continuum of Cen A observed with INTEGRAL SPI

Daniel A. Evans, Elisabeth Jourdain, Jean-Pierre Roques, Mark J. Burke

arxiv:1404.2287 v1 · 2014-04-08 · 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{IDDZ4HVVTNFOJA6DZ2WPFMW3HJ}

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	2026-05-18T01:43:36.309544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40c79e1eb59b4ae483c3ceacf2b2db3a442621968ceb5778e209961d78552f11

Aliases

arxiv: 1404.2287 · arxiv_version: 1404.2287v1 · doi: 10.48550/arxiv.1404.2287 · pith_short_12: IDDZ4HVVTNFO · pith_short_16: IDDZ4HVVTNFOJA6D · pith_short_8: IDDZ4HVV

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/IDDZ4HVVTNFOJA6DZ2WPFMW3HJ \
  | 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: 40c79e1eb59b4ae483c3ceacf2b2db3a442621968ceb5778e209961d78552f11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3fd51fc7a0e87e98aec2720ac4655aad6afa5e5999a98077cd9a1d0c71e8d73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-04-08T20:00:25Z",
    "title_canon_sha256": "e4bfc0a4fbbc9c4501d16beb410bb8d66328d27f8d0499f6e6d70fac2dc354ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2287",
    "kind": "arxiv",
    "version": 1
  }
}