Pith Number

pith:S4DMJMR4

pith:2006:S4DMJMR4RMHOHZZPGYQINCEYYE

not attested not anchored not stored refs pending

Observational evidence for a changing tilt of the accretion disk with respect to the orbital plane in Her X-1 over its 35 day cycle

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

arxiv:astro-ph/0609276 v2 · 2006-09-11 · 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{S4DMJMR4RMHOHZZPGYQINCEYYE}

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	2026-07-04T15:05:31.451238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9706c4b23c8b0ee3e72f3620868898c10e6884fe2fe339ba3c91f6805605cf64

Aliases

arxiv: astro-ph/0609276 · arxiv_version: astro-ph/0609276v2 · doi: 10.48550/arxiv.astro-ph/0609276 · pith_short_12: S4DMJMR4RMHO · pith_short_16: S4DMJMR4RMHOHZZP · pith_short_8: S4DMJMR4

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/S4DMJMR4RMHOHZZPGYQINCEYYE \
  | 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: 9706c4b23c8b0ee3e72f3620868898c10e6884fe2fe339ba3c91f6805605cf64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e77632109990052c3f1f53e537310e92e05cc33461643fe9503fb8078fd385ec",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-09-11T11:35:19Z",
    "title_canon_sha256": "307a097615d4a5b02e4479debff5327e9bc75d4738460c020718f090855cd722"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0609276",
    "kind": "arxiv",
    "version": 2
  }
}