Pith Number

pith:3NBV65MB

pith:2019:3NBV65MBS5LCC2WRYKY2RBNODW

not attested not anchored not stored refs pending

The activity of the symbiotic binary Z Andromedae and its latest outburst

Fran\c{c}ois Teyssier, Jaroslav Merc, Laurits Leedj\"arv, Marek Wolf, Rudolf G\'alis

arxiv:1905.04251 v1 · 2019-05-10 · 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{3NBV65MBS5LCC2WRYKY2RBNODW}

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	2026-05-17T23:46:31.618409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db435f75819756216ad1c2b1a885ae1da565ad37a229628a1d8a081ed0d1f05d

Aliases

arxiv: 1905.04251 · arxiv_version: 1905.04251v1 · doi: 10.48550/arxiv.1905.04251 · pith_short_12: 3NBV65MBS5LC · pith_short_16: 3NBV65MBS5LCC2WR · pith_short_8: 3NBV65MB

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/3NBV65MBS5LCC2WRYKY2RBNODW \
  | 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: db435f75819756216ad1c2b1a885ae1da565ad37a229628a1d8a081ed0d1f05d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ba7e2addf662ad74936b700f7dedcec9b41810202c5228aadd6f5bec392499b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-05-10T16:39:26Z",
    "title_canon_sha256": "9b72317d4f982c450a2207948f9dd30a8f7b08ea32d0a02f249fe1721991a37c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04251",
    "kind": "arxiv",
    "version": 1
  }
}