Pith Number

pith:ISKAFET6

pith:2009:ISKAFET6TJXL7WDHFN2KCBHABE

not attested not anchored not stored refs pending

Quasi-Periodic Flares from Star-Accretion Disc Collisions

Lixin Dai, Roger Blandford, Steven V. Fuerst

arxiv:0906.0800 v2 · 2009-06-04 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ISKAFET6TJXL7WDHFN2KCBHABE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:13:29.241999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

449402927e9a6ebfd8672b74a104e0093a0aab20d98348c9587d49bed081ba3d

Aliases

arxiv: 0906.0800 · arxiv_version: 0906.0800v2 · doi: 10.48550/arxiv.0906.0800 · pith_short_12: ISKAFET6TJXL · pith_short_16: ISKAFET6TJXL7WDH · pith_short_8: ISKAFET6

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/ISKAFET6TJXL7WDHFN2KCBHABE \
  | 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: 449402927e9a6ebfd8672b74a104e0093a0aab20d98348c9587d49bed081ba3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb1d0ea012d2091dccbc3773ea02a6432bf7e95c9258de078f8a0250c2822b1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-06-04T00:09:15Z",
    "title_canon_sha256": "42ac8ab900899b3ddf4345e3c3104e04beea3e6336fcb1cf7867a42b52062bce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0800",
    "kind": "arxiv",
    "version": 2
  }
}