Pith Number

pith:OZSKJK2U

pith:2015:OZSKJK2UB3FKB3REPW4EFIQLDI

not attested not anchored not stored refs pending

A remarkable recurrent nova in M31: Discovery and optical/UV observations of the predicted 2014 eruption

A. S. Piascik, A. W. Shafter, D. Baer, G. Sala, H. Ku\v{c}\'akov\'a, H. Maehara, I. A. Steele, I. Hachisu, I. Skillen, J.-U. Ness, K. Hornoch, M. F. Bode, M. Henze, M. Hernanz, M. J. Darnley, M. Kato, M. Wolf, P. Rodr\'iguez-Gil, R. Hounsell, R. J. Smith, S. C. Williams, S. Kiyota, V. A. R. M. Ribeiro

arxiv:1506.04202 v1 · 2015-06-13 · 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{OZSKJK2UB3FKB3REPW4EFIQLDI}

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	2026-05-18T01:36:12.785757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7664a4ab540ecaa0ee247db842a20b1a25d8c79a7249f8134e19d60c2e2492bb

Aliases

arxiv: 1506.04202 · arxiv_version: 1506.04202v1 · doi: 10.48550/arxiv.1506.04202 · pith_short_12: OZSKJK2UB3FK · pith_short_16: OZSKJK2UB3FKB3RE · pith_short_8: OZSKJK2U

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/OZSKJK2UB3FKB3REPW4EFIQLDI \
  | 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: 7664a4ab540ecaa0ee247db842a20b1a25d8c79a7249f8134e19d60c2e2492bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc7e0b5a594fec12ff94c5f51b7af183ddf21b00fd44a9d7498a35960922320e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-06-13T00:13:41Z",
    "title_canon_sha256": "bbc467153bf7101e6a03f2df428db6aa90fd2411be55e5c9d5e9406c074da15b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.04202",
    "kind": "arxiv",
    "version": 1
  }
}