Pith Number

pith:I4ZBDPGA

pith:2013:I4ZBDPGAM4R5VZPGDXOI5Q2SEA

not attested not anchored not stored refs pending

The Eclipsing System EP Andromedae and its Circumbinary Companions

Jae Woo Lee, Jang-Ho Park, Tobias Cornelius Hinse

arxiv:1302.0358 v1 · 2013-02-02 · 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{I4ZBDPGAM4R5VZPGDXOI5Q2SEA}

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	2026-05-18T01:51:51.167577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

473211bcc06723dae5e61ddc8ec35220008b9c4aad7a652e93f0ff59712ffcab

Aliases

arxiv: 1302.0358 · arxiv_version: 1302.0358v1 · doi: 10.48550/arxiv.1302.0358 · pith_short_12: I4ZBDPGAM4R5 · pith_short_16: I4ZBDPGAM4R5VZPG · pith_short_8: I4ZBDPGA

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/I4ZBDPGAM4R5VZPGDXOI5Q2SEA \
  | 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: 473211bcc06723dae5e61ddc8ec35220008b9c4aad7a652e93f0ff59712ffcab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93568d730255ab16ebb1033fe877151037cb190e2cdebc46107e4c67b9c0cd8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-02-02T10:00:35Z",
    "title_canon_sha256": "de4abcd94fbe10595049fb3e26edfde4b65eebb0b95f0ee8974294c8424a1843"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.0358",
    "kind": "arxiv",
    "version": 1
  }
}