Pith Number

pith:VDLM7KO6

pith:1999:VDLM7KO6SJN3CO7N5JFE2VJMPG

not attested not anchored not stored refs pending

Limits on the microlens mass function of Q2237+0305

E. L. Turner, J. S. B. Wyithe, R. L. Webster

arxiv:astro-ph/9904359 v3 · 1999-04-26 · 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{VDLM7KO6SJN3CO7N5JFE2VJMPG}

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	2026-07-04T16:10:55.683717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8d6cfa9de925bb13bedea4a4d552c79ac4baf8f75f45c1a3b0b2c3837e91e16

Aliases

arxiv: astro-ph/9904359 · arxiv_version: astro-ph/9904359v3 · doi: 10.48550/arxiv.astro-ph/9904359 · pith_short_12: VDLM7KO6SJN3 · pith_short_16: VDLM7KO6SJN3CO7N · pith_short_8: VDLM7KO6

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/VDLM7KO6SJN3CO7N5JFE2VJMPG \
  | 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: a8d6cfa9de925bb13bedea4a4d552c79ac4baf8f75f45c1a3b0b2c3837e91e16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3fb6a052e5fa5f2ecc674aae35f0ae793fb2fd63110556f9afcca120994388c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-04-26T15:06:44Z",
    "title_canon_sha256": "71c8755924a55c438f41c4e29d8262058af174284b10454cad62b4ee3cd56c62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9904359",
    "kind": "arxiv",
    "version": 3
  }
}