Pith Number

pith:PXQ6EM74

pith:1995:PXQ6EM74INHOSI4UMNBGML3WSN

not attested not anchored not stored refs pending

Photon Statistics Limits for Earth-Based Parallax Measurements of MACHO Events

Daniel E. Holz, Robert M. Wald

arxiv:astro-ph/9503039 v2 · 1995-03-08 · astro-ph · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PXQ6EM74INHOSI4UMNBGML3WSN}

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	2026-05-18T01:07:41.856966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7de1e233fc434ee923946342662f7693482349dffe06a91fa51fe27d964f147d

Aliases

arxiv: astro-ph/9503039 · arxiv_version: astro-ph/9503039v2 · doi: 10.48550/arxiv.astro-ph/9503039 · pith_short_12: PXQ6EM74INHO · pith_short_16: PXQ6EM74INHOSI4U · pith_short_8: PXQ6EM74

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/PXQ6EM74INHOSI4UMNBGML3WSN \
  | 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: 7de1e233fc434ee923946342662f7693482349dffe06a91fa51fe27d964f147d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ef652158ae43603aa9d58274ba14f425da525c4330b828619c5124ed0e10375",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-03-08T23:58:01Z",
    "title_canon_sha256": "b45044c677797c4d3439fc6801da53d0ebb780974e3a35fcd5f180e66a948467"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9503039",
    "kind": "arxiv",
    "version": 2
  }
}