Pith Number

pith:TONGLFWQ

pith:1997:TONGLFWQZBWETZHK4UFTKYVLTE

not attested not anchored not stored refs pending

On the nature of SW Sex

D. H. P. Jones, T. R. Marsh, V. S. Dhillon

arxiv:astro-ph/9709171 v1 · 1997-09-17 · 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{TONGLFWQZBWETZHK4UFTKYVLTE}

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	2026-05-18T01:40:16.745082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b9a6596d0c86c49e4eae50b3562ab993999930711e015d2630c1fd8d7e25f04

Aliases

arxiv: astro-ph/9709171 · arxiv_version: astro-ph/9709171v1 · doi: 10.48550/arxiv.astro-ph/9709171 · pith_short_12: TONGLFWQZBWE · pith_short_16: TONGLFWQZBWETZHK · pith_short_8: TONGLFWQ

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/TONGLFWQZBWETZHK4UFTKYVLTE \
  | 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: 9b9a6596d0c86c49e4eae50b3562ab993999930711e015d2630c1fd8d7e25f04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "558b1453f588e42f7e99bdac47d3db64af444179e166b5bc323651b2ead916a4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-09-17T16:55:48Z",
    "title_canon_sha256": "e6178eb81a81690cda6b54b3070e7814e0b0d07cb2777922debe02eb0022c3e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9709171",
    "kind": "arxiv",
    "version": 1
  }
}