Pith Number

pith:QB53IUKC

pith:2001:QB53IUKCADDOD4ZLANK7OLQ2HC

not attested not anchored not stored refs pending

Gravitational Microlensing Events Due to Stellar Mass Black Holes

A.B. Tomaney, A.C. Becker, A.J. Drake, B.A. Peterson, B.R. Johnson, C. Alcock, C.A. Nelson, C. Laws, C.W. Stubbs, D. Minniti, D.P. Bennett, D.R. Alves, D. Welch (The MACHO, J.J. Calitz, J.L. Quinn, K.C. Freeman, K. Griest, K.H. Cook, M. Geha, M.J. Lehner, MPS Collaborations), M.R. Pratt, P.C. Fragile, P.J. Quinn, P. Popowski, R.A. Allsman, S.C. Keller, S.H. Rhie, S.L. Marshall, T.S. Axelrod, T. Vandehei, W. Sutherland

arxiv:astro-ph/0109467 v2 · 2001-09-26 · 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{QB53IUKCADDOD4ZLANK7OLQ2HC}

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	2026-07-04T16:24:11.127458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

807bb4514200c6e1f32b0355f72e1a3893a1c2866e0f2b966c09fd084f04ac23

Aliases

arxiv: astro-ph/0109467 · arxiv_version: astro-ph/0109467v2 · doi: 10.48550/arxiv.astro-ph/0109467 · pith_short_12: QB53IUKCADDO · pith_short_16: QB53IUKCADDOD4ZL · pith_short_8: QB53IUKC

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/QB53IUKCADDOD4ZLANK7OLQ2HC \
  | 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: 807bb4514200c6e1f32b0355f72e1a3893a1c2866e0f2b966c09fd084f04ac23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bce3e0499c340355d2c720e4cc9d45399dda0aa985ed687d2b25af7384e1abbf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-09-26T04:32:49Z",
    "title_canon_sha256": "fd23310d58c8a1e497f2180fc9734fe6a9c259e56efcfc87c7c84fb460e60b48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0109467",
    "kind": "arxiv",
    "version": 2
  }
}