Pith Number

pith:KHMYMPP6

pith:1997:KHMYMPP6YX5C5X5QNJRDD43IJW

not attested not anchored not stored refs pending

Current Status of Radio Source Databases

H. Andernach (Guanajuato, Mexico), Russia), S. Trushkin (SAO

arxiv:astro-ph/9703141 v1 · 1997-03-21 · 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{KHMYMPP6YX5C5X5QNJRDD43IJW}

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	2026-05-18T01:21:56.592719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51d9863dfec5fa2edfb06a6231f3684da0d1f070975b500a61136487bf023556

Aliases

arxiv: astro-ph/9703141 · arxiv_version: astro-ph/9703141v1 · doi: 10.48550/arxiv.astro-ph/9703141 · pith_short_12: KHMYMPP6YX5C · pith_short_16: KHMYMPP6YX5C5X5Q · pith_short_8: KHMYMPP6

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/KHMYMPP6YX5C5X5QNJRDD43IJW \
  | 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: 51d9863dfec5fa2edfb06a6231f3684da0d1f070975b500a61136487bf023556

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5acf04ac2a40131f0e201d325b3d7e8f8a995ba476b29bbb49900d756e3d23c5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-03-21T21:46:00Z",
    "title_canon_sha256": "ab121097da8ebdc989f6056d89346d649e1439d34336d30d3e6f952d21fe98db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9703141",
    "kind": "arxiv",
    "version": 1
  }
}