Pith Number

pith:4N7W3WDE

pith:2026:4N7W3WDEQBOWYQIIOBFPGZQ72W

not attested not anchored not stored refs pending

Emulation of non-linear 1D spectral models: relativistic X-ray reflection

Adam Ingram, Benjamin J. Ricketts, Daniela Huppenkothen, Fergus J. E. Baker, Guglielmo Mastroserio, Matteo Lucchini, Tin Had\v{z}i Veljkovi\'c

arxiv:2607.04785 v1 · 2026-07-06 · astro-ph.IM · 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{4N7W3WDEQBOWYQIIOBFPGZQ72W}

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	2026-07-07T02:20:03.213362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e37f6dd864805d6c4108704af3661fd5902626365434130f9df1d36604fa49f2

Aliases

arxiv: 2607.04785 · arxiv_version: 2607.04785v1 · doi: 10.48550/arxiv.2607.04785 · pith_short_12: 4N7W3WDEQBOW · pith_short_16: 4N7W3WDEQBOWYQII · pith_short_8: 4N7W3WDE

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/4N7W3WDEQBOWYQIIOBFPGZQ72W \
  | 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: e37f6dd864805d6c4108704af3661fd5902626365434130f9df1d36604fa49f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aae8912466a8e03a5e39fdb50e4a0e4155382d02a492f9c0787c88313c019516",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-07-06T08:17:58Z",
    "title_canon_sha256": "fa10ad5515c11a75c1bcb0a0897011489646565773698ac5138e2b57ab43579f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.04785",
    "kind": "arxiv",
    "version": 1
  }
}