Pith Number

pith:K2GYSX4U

pith:2014:K2GYSX4U6J7ZFGOVL46COWEIBB

not attested not anchored not stored refs pending

Study of three 2013 novae: V1830 Aql, V556 Ser and V809 Cep

A. Englaro, F. Castellani, G. Cetrulo, G. Cherini, G.L. Righetti, M. Graziani, P. Ochner, P. Valisa, S. Dallaporta, U. Munari

arxiv:1403.3893 v1 · 2014-03-16 · 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{K2GYSX4U6J7ZFGOVL46COWEIBB}

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	2026-05-18T01:44:00.733230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

568d895f94f27f9299d55f3c275888087c59fc917d2048d45eba8d107df99c0d

Aliases

arxiv: 1403.3893 · arxiv_version: 1403.3893v1 · doi: 10.48550/arxiv.1403.3893 · pith_short_12: K2GYSX4U6J7Z · pith_short_16: K2GYSX4U6J7ZFGOV · pith_short_8: K2GYSX4U

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/K2GYSX4U6J7ZFGOVL46COWEIBB \
  | 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: 568d895f94f27f9299d55f3c275888087c59fc917d2048d45eba8d107df99c0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ca85459c88d8022a1a57f53184f6676a08db345e19a4ac47ba5649f1093cb1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-03-16T09:14:20Z",
    "title_canon_sha256": "d9b529d75375826950b6200d14ad4e9d84014108ead96c4b2e3a44f946a9a1b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.3893",
    "kind": "arxiv",
    "version": 1
  }
}