Pith Number

pith:PWFU2ELM

pith:2020:PWFU2ELMD5FZ5AG2ZCEHYMVDDR

not attested not anchored not stored refs pending

Spirals, shadows & precession in HD 100453 -- I. The orbit of the binary

Alexandre Revol, Anne-Lise Maire, Christophe Pinte, Fran\c{c}ois M\'enard, Gerrit van der Plas, Jean-Fran\c{c}ois Gonzalez, Laetitia Rodet, Maud Langlois, Nicol\'as Cuello, Rebecca Nealon

arxiv:2009.10504 v1 · 2020-09-22 · astro-ph.EP · astro-ph.GA · 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{PWFU2ELMD5FZ5AG2ZCEHYMVDDR}

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	2026-07-05T01:40:45.553224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d8b4d116c1f4b9e80dac8887c32a31c60c3959f90796feeb322b449dabe0b66

Aliases

arxiv: 2009.10504 · arxiv_version: 2009.10504v1 · doi: 10.48550/arxiv.2009.10504 · pith_short_12: PWFU2ELMD5FZ · pith_short_16: PWFU2ELMD5FZ5AG2 · pith_short_8: PWFU2ELM

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/PWFU2ELMD5FZ5AG2ZCEHYMVDDR \
  | 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: 7d8b4d116c1f4b9e80dac8887c32a31c60c3959f90796feeb322b449dabe0b66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7b882f86078303541fde487d38807ca9ed12c58057ccfe1c7890bb60b010cac",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-09-22T12:52:57Z",
    "title_canon_sha256": "a9baea50ab9c1f1874264240068eed8550561dbe59f373724eed83db7be03b51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.10504",
    "kind": "arxiv",
    "version": 1
  }
}