Pith Number

pith:UACS2YZP

pith:2015:UACS2YZPDD42XFQ662UZ63DFKV

not attested not anchored not stored refs pending

Testing common envelopes on double white dwarf binaries

James C. Lombardi Jr, Jose L.A. Nandez, Natalia Ivanova

arxiv:1503.02748 v1 · 2015-03-10 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UACS2YZPDD42XFQ662UZ63DFKV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:25:13.203848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0052d632f18f9ab961ef6a99f6c655563e9d380eec24b95c6dd953ca61bd93d

Aliases

arxiv: 1503.02748 · arxiv_version: 1503.02748v1 · doi: 10.48550/arxiv.1503.02748 · pith_short_12: UACS2YZPDD42 · pith_short_16: UACS2YZPDD42XFQ6 · pith_short_8: UACS2YZP

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/UACS2YZPDD42XFQ662UZ63DFKV \
  | 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: a0052d632f18f9ab961ef6a99f6c655563e9d380eec24b95c6dd953ca61bd93d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be1d3d0fb30c224a1ef3e9c77482f82743885020c4c16cdc8890ef3d7e1e4a0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-03-10T01:58:30Z",
    "title_canon_sha256": "37ab3450b595be6cf119cef578104ef6857e7ab1d1a347997bb5075d0009b2f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02748",
    "kind": "arxiv",
    "version": 1
  }
}