Pith Number

pith:MEI2WW2D

pith:2002:MEI2WW2DSEKEDU23KRKFWDYESC

not attested not anchored not stored refs pending

What gravitational signals say about the structure and the evolution of astrophysical sources

Valeria Ferrari

arxiv:astro-ph/0201265 v1 · 2002-01-16 · astro-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MEI2WW2DSEKEDU23KRKFWDYESC}

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	2026-05-18T00:37:17.780805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6111ab5b43911441d35b54545b0f0490a01e533ced834737851de2ffc932a8f0

Aliases

arxiv: astro-ph/0201265 · arxiv_version: astro-ph/0201265v1 · doi: 10.48550/arxiv.astro-ph/0201265 · pith_short_12: MEI2WW2DSEKE · pith_short_16: MEI2WW2DSEKEDU23 · pith_short_8: MEI2WW2D

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/MEI2WW2DSEKEDU23KRKFWDYESC \
  | 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: 6111ab5b43911441d35b54545b0f0490a01e533ced834737851de2ffc932a8f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f352310f77974803899b7496df8d77d1bc7b45e68bffcd718880a265a2d7200c",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-01-16T15:17:23Z",
    "title_canon_sha256": "ce5c10f3c0206f5d4128bb34a4286aab5bfec3b560dba68e7543113c306af5f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0201265",
    "kind": "arxiv",
    "version": 1
  }
}