Pith Number

pith:MNLVPXFW

pith:1996:MNLVPXFW6BA5QC4QG5PY4DEMLD

not attested not anchored not stored refs pending

Is Her X-1 a strange star?

Denmark), Jes Madsen (University of Aarhus

arxiv:astro-ph/9601129 v1 · 1996-01-23 · 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{MNLVPXFW6BA5QC4QG5PY4DEMLD}

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	2026-05-18T04:21:40.795608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

635757dcb6f041d80b90375f8e0c8c58c1820d80a7d36df8d213d085d7af80ee

Aliases

arxiv: astro-ph/9601129 · arxiv_version: astro-ph/9601129v1 · doi: 10.48550/arxiv.astro-ph/9601129 · pith_short_12: MNLVPXFW6BA5 · pith_short_16: MNLVPXFW6BA5QC4Q · pith_short_8: MNLVPXFW

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/MNLVPXFW6BA5QC4QG5PY4DEMLD \
  | 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: 635757dcb6f041d80b90375f8e0c8c58c1820d80a7d36df8d213d085d7af80ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17cdf1a2943f0ea3c444f2e23aa2d8cfc93adfb104089f15ea25bb4810884617",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-01-23T15:11:42Z",
    "title_canon_sha256": "13167ebfa737839bb257fd583033a9276040d013aeae069780cfa363c12241e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9601129",
    "kind": "arxiv",
    "version": 1
  }
}