Pith Number

pith:EPPWYTIR

pith:2009:EPPWYTIRWPSJ7WSWG3CMFHA7OB

not attested not anchored not stored refs pending

Tidal break-up of binary stars at the Galactic center and its consequences

Alessia Gualandris, David Merritt, Fabio Antonini, Joshua Faber

arxiv:0909.1959 v2 · 2009-09-10 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EPPWYTIRWPSJ7WSWG3CMFHA7OB}

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	2026-05-18T02:34:30.560767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23df6c4d11b3e49fda5636c4c29c1f706a597cdebc544f9236be0a71e23c4099

Aliases

arxiv: 0909.1959 · arxiv_version: 0909.1959v2 · doi: 10.48550/arxiv.0909.1959 · pith_short_12: EPPWYTIRWPSJ · pith_short_16: EPPWYTIRWPSJ7WSW · pith_short_8: EPPWYTIR

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/EPPWYTIRWPSJ7WSWG3CMFHA7OB \
  | 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: 23df6c4d11b3e49fda5636c4c29c1f706a597cdebc544f9236be0a71e23c4099

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9198a2525261e342b984da6c8c19daec4272f8d0be68c6de07e5eb20be37037",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-09-10T15:13:57Z",
    "title_canon_sha256": "9c8ae6f510c0615ecaad6c3c84abd17e7b0b6321863d322e75ee0e94c97be290"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1959",
    "kind": "arxiv",
    "version": 2
  }
}