Pith Number

pith:4B2L4WKL

pith:2015:4B2L4WKLAPIFXA3F32XWMIWVP6

not attested not anchored not stored refs pending

The physics and kinematics of the evolved, interacting planetary nebula PN G342.0-01.7

Alaa Ali, F.P.A. Vogt, H. M. Basurah, M.A. Dopita, Morsi A. Amer

arxiv:1508.01949 v1 · 2015-08-08 · astro-ph.GA · 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{4B2L4WKLAPIFXA3F32XWMIWVP6}

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	2026-05-18T01:28:03.687874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e074be594b03d05b8365deaf6622d57f8ffa7d118015e34b930fa7c228bde255

Aliases

arxiv: 1508.01949 · arxiv_version: 1508.01949v1 · doi: 10.48550/arxiv.1508.01949 · pith_short_12: 4B2L4WKLAPIF · pith_short_16: 4B2L4WKLAPIFXA3F · pith_short_8: 4B2L4WKL

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/4B2L4WKLAPIFXA3F32XWMIWVP6 \
  | 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: e074be594b03d05b8365deaf6622d57f8ffa7d118015e34b930fa7c228bde255

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7f9debd414da3fa1166fc56fe729e19091e9192d1f9d1afb26b48954f1b95bc",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-08-08T19:59:46Z",
    "title_canon_sha256": "24cb25abb7b0b20903c70f46de9f149175512f9289adcd79e80fb551b1330ed1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01949",
    "kind": "arxiv",
    "version": 1
  }
}