Pith Number

pith:XFVA77A5

pith:2019:XFVA77A5BS2ZI772PQMLQSN33D

not attested not anchored not stored refs pending

Long-baseline horizontal radio-frequency transmission through polar ice

A. Christenson, A. Connolly, A. Ishihara, A. Karle, A. Laundrie, A. M.-H. Huang, A. Novikov, A. Nozdrina, A. Shultz, A. Vieregg, B.A. Clark, B. Madison, C.C. Chen, C. Deaconu, C.H. Chen, C.-J. Li, C. Pfendner, D. Seckel, D. Smith, D.Z. Besson, E. Hong, E. Oberla, G.S. Varner, I. Kravchenko, J. Hanson, J. Haugen, J.J. Beatty, J.J. Huang, J. Kruse, J. L. Kelley, J. Nam, J. Torres, J. Touart, K.D. Hoffman, K. Hanson, K. Hughes, K. Kurusu, K. Mase, L. Cremonesi, L. Friedman, L. Hu, M.-C. Kim, M. DuVernois, M. Relich, M. Song, M.-Y. Lu, M.Z. Wang, P. Allison, P. Chen, P. Sandstrom, R. Gaior, R.J. Nichols, R. Khandelwal, R. Young, S. Archambault, S.H. Wang, S. Wissel, S.Y. Hsu, S. Yoshida, T.-C. Liu, T. Kuwabara, T. Meures, U.A. Latif, W. Clay, Y. Pan, Y.S. Shiao

arxiv:1908.10689 v3 · 2019-08-28 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XFVA77A5BS2ZI772PQMLQSN33D}

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	2026-07-05T02:08:16.730512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b96a0ffc1d0cb5947ffa7c18b849bbd8e0cab31fca2ecf6bab5b129c362cc04c

Aliases

arxiv: 1908.10689 · arxiv_version: 1908.10689v3 · doi: 10.48550/arxiv.1908.10689 · pith_short_12: XFVA77A5BS2Z · pith_short_16: XFVA77A5BS2ZI772 · pith_short_8: XFVA77A5

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/XFVA77A5BS2ZI772PQMLQSN33D \
  | 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: b96a0ffc1d0cb5947ffa7c18b849bbd8e0cab31fca2ecf6bab5b129c362cc04c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "947f32fbed7f3d049dee1e294ea5664f23ee53af3bd8845364969bf27224b5a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-08-28T12:41:03Z",
    "title_canon_sha256": "342fe2a596fa6b56b029c1753cb927fa56805e927152e44ac3b7924e38a0f02e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.10689",
    "kind": "arxiv",
    "version": 3
  }
}