Pith Number

pith:R5RHFCWT

pith:2016:R5RHFCWTCGOP3FZRB3KUBGYCJV

not attested not anchored not stored refs pending

Anatomy of the AGN in NGC 5548. VI. Long-term variability of the warm absorber

E. Costantini, F. Pozo-Nunez, G. A. Kriss, G. Branduardi-Raymont, G. Ponti, H. Seta, J. Ebrero, J. S. Kaastra, K. C. Steenbrugge, L. Di Gesu, M. Cappi, M. Mehdipour, M. Whewell, P.-O. Petrucci, R. Boissay, S. Bianchi

arxiv:1601.02385 v1 · 2016-01-11 · 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{R5RHFCWTCGOP3FZRB3KUBGYCJV}

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	2026-05-18T01:19:01.425398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f62728ad3119cfd97310ed5409b024d5208cdef209cbd6e85cc5903bdc7656c

Aliases

arxiv: 1601.02385 · arxiv_version: 1601.02385v1 · doi: 10.48550/arxiv.1601.02385 · pith_short_12: R5RHFCWTCGOP · pith_short_16: R5RHFCWTCGOP3FZR · pith_short_8: R5RHFCWT

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/R5RHFCWTCGOP3FZRB3KUBGYCJV \
  | 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: 8f62728ad3119cfd97310ed5409b024d5208cdef209cbd6e85cc5903bdc7656c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6fba8a49796d987d639e74bfbf46d294799c673037da086204a464e54d399ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-01-11T10:32:22Z",
    "title_canon_sha256": "dff41c9b1120a1cc265eec6988439282294c23f805e21762d2202ca3ce1e2245"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.02385",
    "kind": "arxiv",
    "version": 1
  }
}