Pith Number

pith:EPVWS7KE

pith:2013:EPVWS7KEW3YTJGXWRFG6MUMFVD

not attested not anchored not stored refs pending

White-dwarf red-giant mergers, early-type R stars, J stars and lithium

C. Simon Jeffery, Xianfei Zhang

arxiv:1301.0766 v1 · 2013-01-04 · 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{EPVWS7KEW3YTJGXWRFG6MUMFVD}

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	2026-05-18T03:37:07.634091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23eb697d44b6f1349af6894de65185a8cb93cd50bbda589e716b0101bea66698

Aliases

arxiv: 1301.0766 · arxiv_version: 1301.0766v1 · doi: 10.48550/arxiv.1301.0766 · pith_short_12: EPVWS7KEW3YT · pith_short_16: EPVWS7KEW3YTJGXW · pith_short_8: EPVWS7KE

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/EPVWS7KEW3YTJGXWRFG6MUMFVD \
  | 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: 23eb697d44b6f1349af6894de65185a8cb93cd50bbda589e716b0101bea66698

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e18da3959d2f196af8db1484e3193238a12074eba6b4b5eab42c082ffcb4793",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-01-04T16:41:46Z",
    "title_canon_sha256": "1dbb09d8421e484037cf78eecdb098d08153033d1cfa1373beeac9528167b6c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0766",
    "kind": "arxiv",
    "version": 1
  }
}