Pith Number

pith:NOGREPQE

pith:2015:NOGREPQEUZUSSQ7OB6MNAZJOBO

not attested not anchored not stored refs pending

X-ray long-term variations in the low-luminosity AGN NGC835 and its circumnuclear emission

A. Alonso-Herrero, D. Esparza Arredondo, I. Marquez, J.A. Acosta-Pulido, J. Masegosa, J.M. Rodriguez-Espinosa, L. Hernandez-Garcia, O. Gonzalez-Martin

arxiv:1511.01926 v1 · 2015-11-05 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NOGREPQEUZUSSQ7OB6MNAZJOBO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:20:33.390498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b8d123e04a6692943ee0f98d0652e0b86b81eb8bcedd9c56d69130be868adf0

Aliases

arxiv: 1511.01926 · arxiv_version: 1511.01926v1 · doi: 10.48550/arxiv.1511.01926 · pith_short_12: NOGREPQEUZUS · pith_short_16: NOGREPQEUZUSSQ7O · pith_short_8: NOGREPQE

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/NOGREPQEUZUSSQ7OB6MNAZJOBO \
  | 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: 6b8d123e04a6692943ee0f98d0652e0b86b81eb8bcedd9c56d69130be868adf0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfcb2fc11fd1113f08483c9babf7277ca527bf987c4002c9d39334ea32845058",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-05T21:46:07Z",
    "title_canon_sha256": "e6e441a745be31ac8acdad82b8f00137027b45c42e85799acb92bedbea577754"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01926",
    "kind": "arxiv",
    "version": 1
  }
}