Pith Number

pith:6YMB2W37

pith:1997:6YMB2W37EDEMZ4MJUMRIZXUUMH

not attested not anchored not stored refs pending

No stellar age gradient inside supergiant shell LMC 4

Dominik J. Bomans, Jean-Marie Will, Jochen M. Braun, Klaas S. de Boer

arxiv:astro-ph/9708081 v1 · 1997-08-08 · 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{6YMB2W37EDEMZ4MJUMRIZXUUMH}

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	2026-07-04T14:15:14.714806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6181d5b7f20c8ccf189a3228cde9461d79b24544e66a021bb7b004adb78859f

Aliases

arxiv: astro-ph/9708081 · arxiv_version: astro-ph/9708081v1 · doi: 10.48550/arxiv.astro-ph/9708081 · pith_short_12: 6YMB2W37EDEM · pith_short_16: 6YMB2W37EDEMZ4MJ · pith_short_8: 6YMB2W37

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/6YMB2W37EDEMZ4MJUMRIZXUUMH \
  | 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: f6181d5b7f20c8ccf189a3228cde9461d79b24544e66a021bb7b004adb78859f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bf871172b85602659007487b8fdab0d6a4fc57676a7e1c16ab4e4cbf7bf3bec",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-08-08T17:26:05Z",
    "title_canon_sha256": "e4e222b738853cc47fe565cfbea1532262c0d3de9c458f34359184219e732578"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9708081",
    "kind": "arxiv",
    "version": 1
  }
}