Pith Number

pith:E3YA2WVT

pith:2018:E3YA2WVTEA6N5TREGJSZKSVKWW

not attested not anchored not stored refs pending

Science with the ngVLA: Planetary Nebulae

Albert Ziljstra (University of Manchester, Bruce Balick (University of Washington, CA, Joel H. Kastner (Rochester Institute of Technology, Manchester, NY, Pasadena, Raghvendra Sahai (JPL, Rochester, Seattle, UK), USA), WA

arxiv:1810.06712 v1 · 2018-10-15 · 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{E3YA2WVTEA6N5TREGJSZKSVKWW}

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	2026-05-18T00:03:11.828011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26f00d5ab3203cdece243265954aaab5b670a22ee64c017ab710819bec33b612

Aliases

arxiv: 1810.06712 · arxiv_version: 1810.06712v1 · doi: 10.48550/arxiv.1810.06712 · pith_short_12: E3YA2WVTEA6N · pith_short_16: E3YA2WVTEA6N5TRE · pith_short_8: E3YA2WVT

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/E3YA2WVTEA6N5TREGJSZKSVKWW \
  | 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: 26f00d5ab3203cdece243265954aaab5b670a22ee64c017ab710819bec33b612

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02ab4d802c1cbe784eb5ea77632b14f70658712ee5b2e12f9d0bf6de68408d77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-10-15T21:45:53Z",
    "title_canon_sha256": "401bcbc9c41be7619d50812f0a27eb5e420ee7e6c7cf16fe2b39f32e9c751553"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.06712",
    "kind": "arxiv",
    "version": 1
  }
}