Pith Number

pith:QHWPSENG

pith:2024:QHWPSENGINZF2ASOA6LCKYV4QM

not attested not anchored not stored refs pending

Long term X-ray spectral variations of the Seyfert-1 galaxy Mrk 279

K. Akhila, K. Jeena, Ranjeev Misra, Savithri H. Ezhikode

arxiv:2405.08478 v1 · 2024-05-14 · 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{QHWPSENGINZF2ASOA6LCKYV4QM}

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	2026-07-05T08:19:00.952365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81ecf911a643725d024e07962562bc83106cf9621683dfe54fe404a4326fa0a7

Aliases

arxiv: 2405.08478 · arxiv_version: 2405.08478v1 · doi: 10.48550/arxiv.2405.08478 · pith_short_12: QHWPSENGINZF · pith_short_16: QHWPSENGINZF2ASO · pith_short_8: QHWPSENG

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/QHWPSENGINZF2ASOA6LCKYV4QM \
  | 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: 81ecf911a643725d024e07962562bc83106cf9621683dfe54fe404a4326fa0a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69a321ae1f2324829c011b7ad523a0e076d89f8c8453395b1c7d3f635f42dd5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2024-05-14T10:06:20Z",
    "title_canon_sha256": "d8838f4c9ed03298cf6b3ddd76a5ac0a6d5fb96ab8fac89093e963a17b7d5e85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.08478",
    "kind": "arxiv",
    "version": 1
  }
}