Pith Number

pith:PPOV3WFG

pith:2014:PPOV3WFG5TI2QXR47LJS7JAJTZ

not attested not anchored not stored refs pending

Characterization of the Most Luminous Star in M33: A Super Symbiotic Binary

Joanna Mikolajewska, Krystian Ilkiewicz, Michael M. Shara, Nelson Caldwell

arxiv:1412.6120 v2 · 2014-12-18 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PPOV3WFG5TI2QXR47LJS7JAJTZ}

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	2026-05-18T01:41:16.612536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bdd5dd8a6ecd1a85e3cfad32fa4099e700d864cd6a1bb00ea2ce2dcf2ad38c5

Aliases

arxiv: 1412.6120 · arxiv_version: 1412.6120v2 · doi: 10.48550/arxiv.1412.6120 · pith_short_12: PPOV3WFG5TI2 · pith_short_16: PPOV3WFG5TI2QXR4 · pith_short_8: PPOV3WFG

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/PPOV3WFG5TI2QXR47LJS7JAJTZ \
  | 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: 7bdd5dd8a6ecd1a85e3cfad32fa4099e700d864cd6a1bb00ea2ce2dcf2ad38c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "253b77b0c0848c6083039a8f0cd15db9c526735b70c58d91013a1ee91a7ead0e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-12-18T21:20:01Z",
    "title_canon_sha256": "85e92c87385eacf6b79dad3e5b29d94c8350cd63c118d33601252a539f84c8d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.6120",
    "kind": "arxiv",
    "version": 2
  }
}