Pith Number

pith:CYIXNTNR

pith:2019:CYIXNTNRUKXGRUF2LBJRFEDIMX

not attested not anchored not stored refs pending

Astrophysical limits on very light axion-like particles from Chandra grating spectroscopy of NGC 1275

Andrew C. Fabian, Christopher S. Reynolds, Francesco Tombesi, Helen R. Russell, M.C. David Marsh, Robyn N. Smith, Sylvain Veilleux

arxiv:1907.05475 v4 · 2019-07-11 · hep-ph · astro-ph.CO · astro-ph.HE

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CYIXNTNRUKXGRUF2LBJRFEDIMX}

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.

Cited by

9 papers in Pith

Weakly supervised machine learning for model-agnostic searches of new phenomena in the $\gamma$-ray sky

Circular polarization effects induced by photon-axion mixing in astrophysical environments

A Bandpass Axion Or: How I Learned To Stop Worrying About Stars And Love The Lab

Dimming of Photon Ring due to Photon-Axion Conversion around Kerr Black Holes

Ultralight dark matter detection with trapped-ion interferometry

Receipt and verification

First computed	2026-07-05T02:00:29.142094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

161176cdb1a2ae68d0ba585312906865c095e4f716b0958496fcda4b03d91161

Aliases

arxiv: 1907.05475 · arxiv_version: 1907.05475v4 · doi: 10.48550/arxiv.1907.05475 · pith_short_12: CYIXNTNRUKXG · pith_short_16: CYIXNTNRUKXGRUF2 · pith_short_8: CYIXNTNR

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/CYIXNTNRUKXGRUF2LBJRFEDIMX \
  | 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: 161176cdb1a2ae68d0ba585312906865c095e4f716b0958496fcda4b03d91161

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c07149e27d235fa21cfd0ba2f2e7f4a050693900803fc08922cba47ff2d7c62",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2019-07-11T20:15:33Z",
    "title_canon_sha256": "a9cbcc5d0ca89bac98ced0e49aa4144b064ee8d21e662733255c1a15bb53950f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05475",
    "kind": "arxiv",
    "version": 4
  }
}