Pith Number

pith:VPBYXTHS

pith:2011:VPBYXTHSRIIIC67XRYMCY4ISEW

not attested not anchored not stored refs pending

A 3D Photoionization Model of the Extreme Planetary Nebula NGC 6302

Barbara Ercolano, Michael J. Barlow, Nicholas J. Wright, Thomas Rauch

arxiv:1107.4554 v1 · 2011-07-22 · 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{VPBYXTHSRIIIC67XRYMCY4ISEW}

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	2026-05-18T02:01:11.282415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abc38bccf28a10817bf78e182c711225882ab52fe6e59a85f8fc15323b3794f4

Aliases

arxiv: 1107.4554 · arxiv_version: 1107.4554v1 · doi: 10.48550/arxiv.1107.4554 · pith_short_12: VPBYXTHSRIII · pith_short_16: VPBYXTHSRIIIC67X · pith_short_8: VPBYXTHS

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/VPBYXTHSRIIIC67XRYMCY4ISEW \
  | 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: abc38bccf28a10817bf78e182c711225882ab52fe6e59a85f8fc15323b3794f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ddbbc61f800a3fbfe9dee1dd9e1cfb8ff36a46c8123e052a94520e700907bac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-07-22T15:52:27Z",
    "title_canon_sha256": "a70f4a6ed537f109e2dcc4ad7ee87be66ec2616dd2afa1910d598a71e0d46991"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4554",
    "kind": "arxiv",
    "version": 1
  }
}