Pith Number

pith:33EM6SAD

pith:2016:33EM6SAD3S3PFR2BGZLGUAQJ22

not attested not anchored not stored refs pending

Possible Internal Structures and Compositions of Proxima Centauri b

B. Brugger, J.I. Lunine, M. Deleuil, O. Mousis

arxiv:1609.09757 v3 · 2016-09-30 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{33EM6SAD3S3PFR2BGZLGUAQJ22}

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	2026-05-18T00:54:57.745757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dec8cf4803dcb6f2c74136566a0209d6ac4383008197d43df295f2ed20f8ebc9

Aliases

arxiv: 1609.09757 · arxiv_version: 1609.09757v3 · doi: 10.48550/arxiv.1609.09757 · pith_short_12: 33EM6SAD3S3P · pith_short_16: 33EM6SAD3S3PFR2B · pith_short_8: 33EM6SAD

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/33EM6SAD3S3PFR2BGZLGUAQJ22 \
  | 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: dec8cf4803dcb6f2c74136566a0209d6ac4383008197d43df295f2ed20f8ebc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a3841f42caa48afd297535324a4c1d941a002632c5854246c50967af91178f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-09-30T14:43:28Z",
    "title_canon_sha256": "0083b4fc113736da0021cee51aaf6843f4d1b471a87ac2f385bdae85ef75ee8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.09757",
    "kind": "arxiv",
    "version": 3
  }
}