Pith Number

pith:AMAX5GXV

pith:1999:AMAX5GXVOCEYMIZ5VU525MANEW

not attested not anchored not stored refs pending

Calibration of the MACHO Photometry Database

A.B.Tomaney, A.C.Becker, A.J.Drake, B.A.Peterson, C.Alcock, C.A.Nelson, C.W.Stubbs, D.L.Welch (The MACHO Collaboration), D.Minniti, D.P.Bennett, D.R.Alves, K.C.Freeman, K.Griest, K.H.Cook, M.J.Lehner, M.R.Pratt, P.J.Quinn, R.A.Allsman, S.L.Marshall, T.S.Axelrod, W.Sutherland

arxiv:astro-ph/9909227 v1 · 1999-09-14 · 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{AMAX5GXVOCEYMIZ5VU525MANEW}

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	2026-05-18T02:40:27.463074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03017e9af5708986233dad3baeb00d259f8b8e628d9106be0b2ee37a0184339b

Aliases

arxiv: astro-ph/9909227 · arxiv_version: astro-ph/9909227v1 · doi: 10.48550/arxiv.astro-ph/9909227 · pith_short_12: AMAX5GXVOCEY · pith_short_16: AMAX5GXVOCEYMIZ5 · pith_short_8: AMAX5GXV

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/AMAX5GXVOCEYMIZ5VU525MANEW \
  | 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: 03017e9af5708986233dad3baeb00d259f8b8e628d9106be0b2ee37a0184339b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28b6466d75f844c7f78822747b62e06cfc3a0705660bf373914835a26829aedc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-09-14T19:37:02Z",
    "title_canon_sha256": "251c24041933ea00964031de3fc130f416b78d627599fbddff230b405e890f24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9909227",
    "kind": "arxiv",
    "version": 1
  }
}