Pith Number

pith:XNWCDDDE

pith:2019:XNWCDDDEM7P4WW4EPXQKCAHE5W

not attested not anchored not stored refs pending

Tidally Excited Oscillations in Heartbeat Binary Stars: Pulsation Phases and Mode Identification

Avi Shporer, Howard Isaacson, Kelly Hambleton, Zhao Guo

arxiv:1911.08687 v1 · 2019-11-20 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XNWCDDDEM7P4WW4EPXQKCAHE5W}

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	2026-07-05T00:36:42.488451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb6c218c6467dfcb5b847de0a100e4edb840cbc45bc3ea59d49d3b170ab06469

Aliases

arxiv: 1911.08687 · arxiv_version: 1911.08687v1 · doi: 10.48550/arxiv.1911.08687 · pith_short_12: XNWCDDDEM7P4 · pith_short_16: XNWCDDDEM7P4WW4E · pith_short_8: XNWCDDDE

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/XNWCDDDEM7P4WW4EPXQKCAHE5W \
  | 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: bb6c218c6467dfcb5b847de0a100e4edb840cbc45bc3ea59d49d3b170ab06469

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c20acda7d8bbdf7dd6d09730fcdf600000b7fd8dbf036019c612d049ec941057",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-11-20T03:42:27Z",
    "title_canon_sha256": "8768f7cf10ccf39d4465b4f8872c8badeec8fe55771f2df591f639404f0ffadf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.08687",
    "kind": "arxiv",
    "version": 1
  }
}