Pith Number

pith:STHSUYDM

pith:1999:STHSUYDMK6NQBFKG62NV5LJH4C

not attested not anchored not stored refs pending

Method of estimating distances to X-ray pulsars and their magnetic fields

S.B. Popov (Sternberg Astronomical Institute)

arxiv:astro-ph/9906012 v1 · 1999-06-01 · 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{STHSUYDMK6NQBFKG62NV5LJH4C}

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	2026-05-18T01:07:36.391268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94cf2a606c579b009546f69b5ead27e0a665bb8e132b86dee3353cf777254312

Aliases

arxiv: astro-ph/9906012 · arxiv_version: astro-ph/9906012v1 · doi: 10.48550/arxiv.astro-ph/9906012 · pith_short_12: STHSUYDMK6NQ · pith_short_16: STHSUYDMK6NQBFKG · pith_short_8: STHSUYDM

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/STHSUYDMK6NQBFKG62NV5LJH4C \
  | 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: 94cf2a606c579b009546f69b5ead27e0a665bb8e132b86dee3353cf777254312

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3e1a9da0ecf8f2b9fa05915c69308357bd37e8d57e793d8cd1a472f37f6840b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-06-01T15:24:19Z",
    "title_canon_sha256": "e0797a7e5716dcc0177f09776d5c8ff324cd1847275cac357d4276b4ec6a3268"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9906012",
    "kind": "arxiv",
    "version": 1
  }
}