Pith Number

pith:NEGDY5BU

pith:2018:NEGDY5BULWNMS5SBSMQOFRBIGR

not attested not anchored not stored refs pending

Spectral and polarimetric signatures of X-ray eclipses in AGN

E. Nardini, E. S. Kammoun, F. Marin, G. Risaliti, M. Dovciak, M. Sanfrutos

arxiv:1807.11439 v1 · 2018-07-30 · 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{NEGDY5BULWNMS5SBSMQOFRBIGR}

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	2026-05-18T00:08:37.532766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

690c3c74345d9ac976419320e2c428346e5cf6ce050fc075adc7ff1fb5ec7c3a

Aliases

arxiv: 1807.11439 · arxiv_version: 1807.11439v1 · doi: 10.48550/arxiv.1807.11439 · pith_short_12: NEGDY5BULWNM · pith_short_16: NEGDY5BULWNMS5SB · pith_short_8: NEGDY5BU

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/NEGDY5BULWNMS5SBSMQOFRBIGR \
  | 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: 690c3c74345d9ac976419320e2c428346e5cf6ce050fc075adc7ff1fb5ec7c3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2f12e90948fe9c16dad84f5aa35ac6eef637b022cc0865405166b9196d8ab3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-07-30T16:53:25Z",
    "title_canon_sha256": "2a7c1ea75c8d989868ff770ddf04c6a89d56793d35892c795f89a80f5df1fd28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11439",
    "kind": "arxiv",
    "version": 1
  }
}