Pith Number

pith:HEYB64CQ

pith:2018:HEYB64CQVWVIOJOV2XH563EFVL

not attested not anchored not stored refs pending

The effect of the ionosphere on ultra-low frequency radio-interferometric observations

D.A. Rafferty, F. De Gasperin, H.T. Intema, M. Mevius, R.A. Fallows

arxiv:1804.07947 v1 · 2018-04-21 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HEYB64CQVWVIOJOV2XH563EFVL}

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.

Cited by

1 paper in Pith

Studying Ionospheric Phase Structure Functions Using Wide-Band uGMRT (Band-4) Interferometric Data

Receipt and verification

First computed	2026-05-18T00:08:42.196726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39301f7050adaa8725d5d5cfdf6c85aac086d29838f6c665876dc1398243e4c7

Aliases

arxiv: 1804.07947 · arxiv_version: 1804.07947v1 · doi: 10.48550/arxiv.1804.07947 · pith_short_12: HEYB64CQVWVI · pith_short_16: HEYB64CQVWVIOJOV · pith_short_8: HEYB64CQ

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/HEYB64CQVWVIOJOV2XH563EFVL \
  | 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: 39301f7050adaa8725d5d5cfdf6c85aac086d29838f6c665876dc1398243e4c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb7bcdae2f01799cfc036b7d71df778f877221169a2c0b0fc9d527ef30dbbddb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-04-21T11:19:07Z",
    "title_canon_sha256": "0a6fdbd8239204aa56ef2fb4cdc8a1d4c0aae132eff16a8407fb17cb4d6bb22f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07947",
    "kind": "arxiv",
    "version": 1
  }
}