Pith Number

pith:HQAFVNW2

pith:2026:HQAFVNW2NCWTOXZCK3O6N6GNUG

not attested not anchored not stored refs pending

New Online Database of Symbiotic Variables: Catalog and Statistical Overview of Symbiotic Binaries

Jaroslav Merc, Marek Wolf, Rudolf G\'alis

arxiv:2606.25623 v1 · 2026-06-24 · 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{HQAFVNW2NCWTOXZCK3O6N6GNUG}

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	2026-06-25T01:18:10.738425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c005ab6da68ad375f2256dde6f8cda18929dfb267597a9b850a2d35b13436a2

Aliases

arxiv: 2606.25623 · arxiv_version: 2606.25623v1 · doi: 10.48550/arxiv.2606.25623 · pith_short_12: HQAFVNW2NCWT · pith_short_16: HQAFVNW2NCWTOXZC · pith_short_8: HQAFVNW2

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/HQAFVNW2NCWTOXZCK3O6N6GNUG \
  | 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: 3c005ab6da68ad375f2256dde6f8cda18929dfb267597a9b850a2d35b13436a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c39ed17a8611ecd01d2d760e399a70ffa8227622b7edfb5c3c2272ef92bf13e0",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-06-24T09:32:15Z",
    "title_canon_sha256": "f684332abda7f1f53228ced74e5e8271992611f4055e16a267aefdc7582c2a65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25623",
    "kind": "arxiv",
    "version": 1
  }
}