Pith Number

pith:UUTAYDVM

pith:2015:UUTAYDVMK2JQEWG7XVYA77FPVS

not attested not anchored not stored refs pending

The Central Star Candidate of the Planetary Nebula Sh2-71: Photometric and Spectroscopic Variability

Don Pollacco, Myfanwy Lloyd, Rachel A. Street, Teo Mo\v{c}nik

arxiv:1505.01814 v1 · 2015-05-07 · 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{UUTAYDVMK2JQEWG7XVYA77FPVS}

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	2026-05-18T02:16:39.688440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5260c0eac56930258dfbd700ffcafaca86c71309272e4e9835baf0f88fb43e9

Aliases

arxiv: 1505.01814 · arxiv_version: 1505.01814v1 · doi: 10.48550/arxiv.1505.01814 · pith_short_12: UUTAYDVMK2JQ · pith_short_16: UUTAYDVMK2JQEWG7 · pith_short_8: UUTAYDVM

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/UUTAYDVMK2JQEWG7XVYA77FPVS \
  | 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: a5260c0eac56930258dfbd700ffcafaca86c71309272e4e9835baf0f88fb43e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "482b07fa2f48da3e31fcb87d4eb0df3530b156498fb1d425daa615b652d7281c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-05-07T18:59:29Z",
    "title_canon_sha256": "fed52899617be73ff8e51684a7f1c5682bba9c6bb0b942fcc0bb495eb261ada5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01814",
    "kind": "arxiv",
    "version": 1
  }
}