Pith Number

pith:Y23ZGD55

pith:2019:Y23ZGD55KCWBVP3SBKFCP2BTPX

not attested not anchored not stored refs pending

Photometry of Symbiotic Stars - XIV

A. Skopal, E. Kundra, E. Semkov, M. Seker\'a\v{s}, M. Vra\v{s}\v{t}\'ak, N. Shagatova, R. Kom\v{z}\'ik, R. Stubbings, S. P. Peneva, S. Shugarov

arxiv:1904.05555 v1 · 2019-04-11 · 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{Y23ZGD55KCWBVP3SBKFCP2BTPX}

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	2026-05-17T23:48:49.151678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6b7930fbd50ac1abf720a8a27e8337dc89186ab04e56a80117eece99f1cef5a

Aliases

arxiv: 1904.05555 · arxiv_version: 1904.05555v1 · doi: 10.48550/arxiv.1904.05555 · pith_short_12: Y23ZGD55KCWB · pith_short_16: Y23ZGD55KCWBVP3S · pith_short_8: Y23ZGD55

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/Y23ZGD55KCWBVP3SBKFCP2BTPX \
  | 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: c6b7930fbd50ac1abf720a8a27e8337dc89186ab04e56a80117eece99f1cef5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "376a967d1746090d599b83ed2a4e3fdbc17ef5d57e64e231a7ca14ad248ec2ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-04-11T07:07:04Z",
    "title_canon_sha256": "c8033f1199635ce7a1e80320788fd02bb51ebaf2aa5338c5551dd3c4dbaf0b55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05555",
    "kind": "arxiv",
    "version": 1
  }
}