Pith Number

pith:4VBRGDGC

pith:2000:4VBRGDGCSX23LVPALEWRCGGY3E

not attested not anchored not stored refs pending

Doppler Tomography

T.R. Marsh

arxiv:astro-ph/0011020 v1 · 2000-11-01 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4VBRGDGCSX23LVPALEWRCGGY3E}

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.

Cited by

1 paper in Pith

White dwarf + M dwarf Detached Binaries in Long Period Radio Transients: Observed Binary Parameters, Evolution, and Population Constraints

Receipt and verification

First computed	2026-07-04T14:10:51.106865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e543130cc295f5b5d5e0592d1118d8d932d1e8b38c62fb32c99b7cb0828e68a1

Aliases

arxiv: astro-ph/0011020 · arxiv_version: astro-ph/0011020v1 · doi: 10.48550/arxiv.astro-ph/0011020 · pith_short_12: 4VBRGDGCSX23 · pith_short_16: 4VBRGDGCSX23LVPA · pith_short_8: 4VBRGDGC

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/4VBRGDGCSX23LVPALEWRCGGY3E \
  | 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: e543130cc295f5b5d5e0592d1118d8d932d1e8b38c62fb32c99b7cb0828e68a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b9e2d65a1baa12a9acf8a0e35739989c09c1833e9765eb112e30bce9cda7ba6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-11-01T16:57:12Z",
    "title_canon_sha256": "19a1c8c6d1ef3838e2245dad07117b013b0328f357e1185fdb265ebe40bcaae8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0011020",
    "kind": "arxiv",
    "version": 1
  }
}