pith. sign in
Pith Number

pith:FMWLUL47

pith:2007:FMWLUL47XITVBSBQPK5IQQKUS2
not attested not anchored not stored refs pending

A Simultaneous Optical and X-ray Variability Study of the Orion Nebula Cluster. II. A Common Origin in Magnetic Activity

& E. Feigelson, K.G. Stassun, M. van den Berg

arxiv:astro-ph/0701735 v1 · 2007-01-25 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FMWLUL47XITVBSBQPK5IQQKUS2}

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 2026-05-18T04:29:06.907409Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2b2cba2f9fba2750c8307aba88415496bdd31f70f91d34b5cd20f849690c3082

Aliases

arxiv: astro-ph/0701735 · arxiv_version: astro-ph/0701735v1 · doi: 10.48550/arxiv.astro-ph/0701735 · pith_short_12: FMWLUL47XITV · pith_short_16: FMWLUL47XITVBSBQ · pith_short_8: FMWLUL47
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FMWLUL47XITVBSBQPK5IQQKUS2 \
  | 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: 2b2cba2f9fba2750c8307aba88415496bdd31f70f91d34b5cd20f849690c3082
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4ce2b04139da284e6d099e23732eaaad2779480c023d9ec45acaad4667593e14",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-25T17:05:31Z",
    "title_canon_sha256": "8b9f07f8c654f46c46ce3debc679ba8e302c2cba87a92fb462f18b9a4ccc3016"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701735",
    "kind": "arxiv",
    "version": 1
  }
}