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Pith Number

pith:4TK2LLF3

pith:2009:4TK2LLF367UD6BWX27BFCL62GY
not attested not anchored not stored refs pending

Time-Distance Solar Far-Side Imaging Using Three-Skip Acoustic Signals

Junwei Zhao, Stathis Ilonidis, Thomas Hartlep

arxiv:0908.0962 v1 · 2009-08-06 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4TK2LLF367UD6BWX27BFCL62GY}

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 2026-05-18T04:39:59.559119Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e4d5a5acbbf7e83f06d7d7c2512fda3624f202d06c01017ba2de42bbdd9ea8ce

Aliases

arxiv: 0908.0962 · arxiv_version: 0908.0962v1 · doi: 10.48550/arxiv.0908.0962 · pith_short_12: 4TK2LLF367UD · pith_short_16: 4TK2LLF367UD6BWX · pith_short_8: 4TK2LLF3
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4TK2LLF367UD6BWX27BFCL62GY \
  | 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: e4d5a5acbbf7e83f06d7d7c2512fda3624f202d06c01017ba2de42bbdd9ea8ce
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9e44018854f1ff113061c9920a3eecdc82bac369c6ea230d900cd11e38462b9b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-08-06T21:54:59Z",
    "title_canon_sha256": "5fc137159b709603adefbcf6d4b62972abfae3adedf1aebe62ec88abe0bee798"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0962",
    "kind": "arxiv",
    "version": 1
  }
}