Pith Number

pith:CFYWV25W

pith:2006:CFYWV25WGQPJA4VOX3ERS2GHIC

not attested not anchored not stored refs pending

A precessing warped accretion disk around the X-ray pulsar Her X-1

D. Klochkov, J. Wilms, K. Postnov, N. Shakura, R. Staubert

arxiv:astro-ph/0612790 v2 · 2006-12-29 · 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{CFYWV25WGQPJA4VOX3ERS2GHIC}

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	2026-07-04T14:58:32.204404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11716aebb6341e9072aebec91968c7408837372ed4b1effa4a3524627ef58979

Aliases

arxiv: astro-ph/0612790 · arxiv_version: astro-ph/0612790v2 · doi: 10.48550/arxiv.astro-ph/0612790 · pith_short_12: CFYWV25WGQPJ · pith_short_16: CFYWV25WGQPJA4VO · pith_short_8: CFYWV25W

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/CFYWV25WGQPJA4VOX3ERS2GHIC \
  | 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: 11716aebb6341e9072aebec91968c7408837372ed4b1effa4a3524627ef58979

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5173292a62dfd62a09d067104f4731f4d98700577b1b9a81cefe88e5786f4768",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-12-29T16:38:20Z",
    "title_canon_sha256": "e02f39d160a3e10d2180a6a1ecd49e4434a1b2cbcafedf30f9b7f1720351b5dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0612790",
    "kind": "arxiv",
    "version": 2
  }
}