Pith Number

pith:SFA546RJ

pith:2011:SFA546RJ6A5QBUP2BLKXGQKBHQ

not attested not anchored not stored refs pending

New population synthesis model: Preliminary results for close double white dwarf populations

Gijs Nelemans, Silvia Toonen, Simon Portegies Zwart

arxiv:1101.2787 v2 · 2011-01-14 · 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{SFA546RJ6A5QBUP2BLKXGQKBHQ}

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	2026-05-18T02:22:57.467674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9141de7a29f03b00d1fa0ad57341413c19e229e2596cd432af231a08c6566a7f

Aliases

arxiv: 1101.2787 · arxiv_version: 1101.2787v2 · doi: 10.48550/arxiv.1101.2787 · pith_short_12: SFA546RJ6A5Q · pith_short_16: SFA546RJ6A5QBUP2 · pith_short_8: SFA546RJ

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/SFA546RJ6A5QBUP2BLKXGQKBHQ \
  | 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: 9141de7a29f03b00d1fa0ad57341413c19e229e2596cd432af231a08c6566a7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a50250b2239e8d55b4f7abe282764ba09ecec671791f99617949485af6f40e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-01-14T12:36:27Z",
    "title_canon_sha256": "1129b58548773cd7105750efd3c8e3950c73d20df3b4fc90f48e0ae2f78c073b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.2787",
    "kind": "arxiv",
    "version": 2
  }
}