Pith Number

pith:N4YXLU2W

pith:2013:N4YXLU2WX6TFWA6CB2KNWKPTP4

not attested not anchored not stored refs pending

A remarkable sample of new symbiotic stars towards the Galactic Bulge

Andrzej Udalski (Warsaw University Observatory), Brent Miszalski (SAAO/SALT), Joanna Miko{\l}ajewska (NCAC Warsaw)

arxiv:1305.4885 v1 · 2013-05-21 · 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{N4YXLU2WX6TFWA6CB2KNWKPTP4}

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	2026-05-18T03:25:15.044836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f3175d356bfa65b03c20e94db29f37f0dca4ad40ecaff57532f05df7d07f1f3

Aliases

arxiv: 1305.4885 · arxiv_version: 1305.4885v1 · doi: 10.48550/arxiv.1305.4885 · pith_short_12: N4YXLU2WX6TF · pith_short_16: N4YXLU2WX6TFWA6C · pith_short_8: N4YXLU2W

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/N4YXLU2WX6TFWA6CB2KNWKPTP4 \
  | 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: 6f3175d356bfa65b03c20e94db29f37f0dca4ad40ecaff57532f05df7d07f1f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ab5ca920970829c3e9acc8c626eeb8637a39e52b4ce6a4e735953f67f2d19de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-05-21T17:07:37Z",
    "title_canon_sha256": "7a2d6a9ac5f9942e3f017104614f73c05036d78ffb35412495f347cda5661312"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4885",
    "kind": "arxiv",
    "version": 1
  }
}