Pith Number

pith:MVDWDH5B

pith:2018:MVDWDH5BOYZZSEM3HWBOO5BBFZ

not attested not anchored not stored refs pending

De-distorting ionospheric effects in the image plane

N. Hurley-Walker, P. J. Hancock

arxiv:1808.08017 v1 · 2018-08-24 · 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{MVDWDH5BOYZZSEM3HWBOO5BBFZ}

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	2026-05-18T00:07:22.718744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6547619fa1763399119b3d82e774212e7c35e7c2d70da43b2e8ab6afeef0a107

Aliases

arxiv: 1808.08017 · arxiv_version: 1808.08017v1 · doi: 10.48550/arxiv.1808.08017 · pith_short_12: MVDWDH5BOYZZ · pith_short_16: MVDWDH5BOYZZSEM3 · pith_short_8: MVDWDH5B

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/MVDWDH5BOYZZSEM3HWBOO5BBFZ \
  | 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: 6547619fa1763399119b3d82e774212e7c35e7c2d70da43b2e8ab6afeef0a107

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfea0634ae6a6eb4918b302329cb0a28cd3a18882c79685606c97d1f014dd212",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-08-24T06:35:05Z",
    "title_canon_sha256": "60ca2b946ece6b3668f3a9f768c6611abfffb81f37a93002e47236d0390617f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08017",
    "kind": "arxiv",
    "version": 1
  }
}