Pith Number

pith:EV2E3TBC

pith:2019:EV2E3TBCSO5TMQJS5ZPER6CNQI

not attested not anchored not stored refs pending

Substructure of visibility functions from scattered radio emission of pulsars through space VLBI

C. R. Gwinn, M. S. Burgin, M. V. Popov, N. Bartel, T. V. Smirnova, V. A. Soglasnov

arxiv:1912.03970 v1 · 2019-12-09 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EV2E3TBCSO5TMQJS5ZPER6CNQI}

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	2026-07-05T00:33:24.124838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25744dcc2293bb364132ee5e48f84d822a64639be788be48eb68edd08792c7e1

Aliases

arxiv: 1912.03970 · arxiv_version: 1912.03970v1 · doi: 10.48550/arxiv.1912.03970 · pith_short_12: EV2E3TBCSO5T · pith_short_16: EV2E3TBCSO5TMQJS · pith_short_8: EV2E3TBC

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/EV2E3TBCSO5TMQJS5ZPER6CNQI \
  | 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: 25744dcc2293bb364132ee5e48f84d822a64639be788be48eb68edd08792c7e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b58cb5df1325e4cd5acc015a9495f38356b6f4e49894894e615d30024ee4b77f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-12-09T11:16:50Z",
    "title_canon_sha256": "75d7581bf60382c8a49947365ad3412013463f5e920ecc3f6aa483dd5d7234fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.03970",
    "kind": "arxiv",
    "version": 1
  }
}