Pith Number

pith:TB4MA5XA

pith:1999:TB4MA5XAF5DLJDWD4FKQTTWKRN

not attested not anchored not stored refs pending

ROSAT X-ray sources and exponential field decay in isolated neutron stars

M.E. Prokhorov (Sternberg Astronomical Institute), S.B. Popov

arxiv:astro-ph/9908212 v1 · 1999-08-19 · 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{TB4MA5XAF5DLJDWD4FKQTTWKRN}

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	2026-05-18T01:07:36.150409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9878c076e02f46b48ec3e15509ceca8b58c4b66e035549e4bc2edba0b0df0557

Aliases

arxiv: astro-ph/9908212 · arxiv_version: astro-ph/9908212v1 · doi: 10.48550/arxiv.astro-ph/9908212 · pith_short_12: TB4MA5XAF5DL · pith_short_16: TB4MA5XAF5DLJDWD · pith_short_8: TB4MA5XA

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/TB4MA5XAF5DLJDWD4FKQTTWKRN \
  | 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: 9878c076e02f46b48ec3e15509ceca8b58c4b66e035549e4bc2edba0b0df0557

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1edbe71752e601314da7d7d3ea522a51c68684a7bf8d665aa7328353ef7dcfcb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-08-19T12:09:33Z",
    "title_canon_sha256": "5db5e0311a7e0d666bdafbee184d9a402f199fc2adf4f26bd74b061d51100033"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9908212",
    "kind": "arxiv",
    "version": 1
  }
}