Pith Number

pith:MDT7MEHE

pith:2004:MDT7MEHEMJAHTTQAQ65R6W7QY2

not attested not anchored not stored refs pending

Perspects in astrophysical databases

A. De Angelis, M. Frailis, V. Roberto

arxiv:cs/0402016 v1 · 2004-02-09 · cs.DB · 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{MDT7MEHEMJAHTTQAQ65R6W7QY2}

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	2026-07-04T16:47:40.000526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60e7f610e4624079ce0087bb1f5bf0c6a547879a651125c4e9d12a4eb2be10f3

Aliases

arxiv: cs/0402016 · arxiv_version: cs/0402016v1 · doi: 10.48550/arxiv.cs/0402016 · pith_short_12: MDT7MEHEMJAH · pith_short_16: MDT7MEHEMJAHTTQA · pith_short_8: MDT7MEHE

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/MDT7MEHEMJAHTTQAQ65R6W7QY2 \
  | 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: 60e7f610e4624079ce0087bb1f5bf0c6a547879a651125c4e9d12a4eb2be10f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43197379ccb6cbdc4fa4f7c149da5b26d603bd48764f3c299f069a42c1639e93",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "cs.DB",
    "submitted_at": "2004-02-09T19:13:17Z",
    "title_canon_sha256": "1d748c086c7657a7da189c51e02bc3ff223355a6ad3735af7995c4e7ba902542"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0402016",
    "kind": "arxiv",
    "version": 1
  }
}