Pith Number

pith:TDAGH75S

pith:2000:TDAGH75SJSMAO4NI5RYN6HXDMY

not attested not anchored not stored refs pending

Changing Frequency Separation of Kilohertz Quasi-Periodic Oscillations in the Sonic-Point Beat-Frequency Model

Frederick K. Lamb (U. Illinois), M. Coleman Miller (U. Maryland)

arxiv:astro-ph/0007460 v1 · 2000-07-29 · 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{TDAGH75SJSMAO4NI5RYN6HXDMY}

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	2026-07-04T16:16:58.303032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98c063ffb24c980771a8ec70df1ee36635f361bbaecc50d9d35554319c01a848

Aliases

arxiv: astro-ph/0007460 · arxiv_version: astro-ph/0007460v1 · doi: 10.48550/arxiv.astro-ph/0007460 · pith_short_12: TDAGH75SJSMA · pith_short_16: TDAGH75SJSMAO4NI · pith_short_8: TDAGH75S

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/TDAGH75SJSMAO4NI5RYN6HXDMY \
  | 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: 98c063ffb24c980771a8ec70df1ee36635f361bbaecc50d9d35554319c01a848

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0e1582d0a3e6d0312122f07868267318a964575704305557945c3df9fc4c2ef",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-07-29T18:55:22Z",
    "title_canon_sha256": "1a4d9ed1920cece30e8029d73a2e76e75779016f75097df5c6022459f4c2b13c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0007460",
    "kind": "arxiv",
    "version": 1
  }
}