Pith Number

pith:46VRE7K3

pith:2000:46VRE7K3SLPXZRUNA6D7UZHFAT

not attested not anchored not stored refs pending

Constraints to the SSC model for Mkn 501

Fabrizio Tavecchio, Italy, Laura Maraschi Osservatorio Astronomico di Brera, Milano

arxiv:astro-ph/0002431 v1 · 2000-02-23 · 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{46VRE7K3SLPXZRUNA6D7UZHFAT}

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	2026-07-04T16:16:06.292189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7ab127d5b92df7cc68d0787fa64e504dc971f43788213e3bb2928d2ec2e7085

Aliases

arxiv: astro-ph/0002431 · arxiv_version: astro-ph/0002431v1 · doi: 10.48550/arxiv.astro-ph/0002431 · pith_short_12: 46VRE7K3SLPX · pith_short_16: 46VRE7K3SLPXZRUN · pith_short_8: 46VRE7K3

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/46VRE7K3SLPXZRUNA6D7UZHFAT \
  | 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: e7ab127d5b92df7cc68d0787fa64e504dc971f43788213e3bb2928d2ec2e7085

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67d646ddde54061e6a107ae10b1110062b03c511d423845690aae8daffed853f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-02-23T14:22:30Z",
    "title_canon_sha256": "6bafa0df8785bbec315f47ed382f254e95dbb63c756d3250eab2abf77423ac91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0002431",
    "kind": "arxiv",
    "version": 1
  }
}