Pith Number

pith:MF5SN3JP

pith:1997:MF5SN3JPSR6HAPCMG5LCPGTAUZ

not attested not anchored not stored refs pending

Baade's red sheet resolved into stars with HST in the Blue Compact Dwarf Galaxy VII Zw 403

M.M. Crone, R.E. Schulte-Ladbeck, U. Hopp

arxiv:astro-ph/9708240 v1 · 1997-08-26 · 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{MF5SN3JPSR6HAPCMG5LCPGTAUZ}

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	2026-05-18T01:40:16.799442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

617b26ed2f947c703c4c3756279a60a66fee56db752ddda976a39c61e4b18e11

Aliases

arxiv: astro-ph/9708240 · arxiv_version: astro-ph/9708240v1 · doi: 10.48550/arxiv.astro-ph/9708240 · pith_short_12: MF5SN3JPSR6H · pith_short_16: MF5SN3JPSR6HAPCM · pith_short_8: MF5SN3JP

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/MF5SN3JPSR6HAPCMG5LCPGTAUZ \
  | 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: 617b26ed2f947c703c4c3756279a60a66fee56db752ddda976a39c61e4b18e11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "656ad2e9f4765ca3afabc39579473dd365b51822d9aaa18e373f44eb333269fb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-08-26T17:19:22Z",
    "title_canon_sha256": "9b62182ce612e329df2a1b1edcb78c3c270290867f13a14407a8ba35aa73f5a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9708240",
    "kind": "arxiv",
    "version": 1
  }
}