Pith Number

pith:5KCDANOP

pith:1994:5KCDANOPALPJXGHLHNHDENLG4P

not attested not anchored not stored refs pending

Finite Source Sizes and the Information Content of MACHO-Type Lens Search Light Curves

George Mason U.), Robert J. Nemiroff (NASA/GSFC, W.A.D. Thulsi Wickramasinghe (U. Penn)

arxiv:astro-ph/9401005 v1 · 1994-01-05 · 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{5KCDANOPALPJXGHLHNHDENLG4P}

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	2026-07-04T15:56:02.727503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea843035cf02de9b98eb3b4e323566e3e9d2207146ff6fab2b1cd324bf311111

Aliases

arxiv: astro-ph/9401005 · arxiv_version: astro-ph/9401005v1 · doi: 10.48550/arxiv.astro-ph/9401005 · pith_short_12: 5KCDANOPALPJ · pith_short_16: 5KCDANOPALPJXGHL · pith_short_8: 5KCDANOP

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/5KCDANOPALPJXGHLHNHDENLG4P \
  | 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: ea843035cf02de9b98eb3b4e323566e3e9d2207146ff6fab2b1cd324bf311111

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b07db645999250f134f4e156d93e6d4061df24a3bac7667e7cc7c29cdbb5ba4c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1994-01-05T22:35:58Z",
    "title_canon_sha256": "a1e7368bfe106f65ef05383436dd95eac6a7f73c9a7c13ba0204881003c8689b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9401005",
    "kind": "arxiv",
    "version": 1
  }
}