Pith Number

pith:XDA7ZVG2

pith:2021:XDA7ZVG26DB3PECO7X7EG27EAL

not attested not anchored not stored refs pending

Fallback in bipolar Planetary Nebulae ?

Gabor Orosz, Hiroshi Imai, Willem A. Baan

arxiv:2107.14269 v3 · 2021-07-29 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XDA7ZVG26DB3PECO7X7EG27EAL}

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	2026-07-05T03:45:39.071566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8c1fcd4daf0c3b7904efdfe436be402da5386a0dac4e25c6406f0c0d71ca2b5

Aliases

arxiv: 2107.14269 · arxiv_version: 2107.14269v3 · doi: 10.48550/arxiv.2107.14269 · pith_short_12: XDA7ZVG26DB3 · pith_short_16: XDA7ZVG26DB3PECO · pith_short_8: XDA7ZVG2

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/XDA7ZVG26DB3PECO7X7EG27EAL \
  | 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: b8c1fcd4daf0c3b7904efdfe436be402da5386a0dac4e25c6406f0c0d71ca2b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7cfd1c0b89810a524e822f3165777042e4452de9bc14851c58b395ab9a9aaba",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-07-29T18:31:17Z",
    "title_canon_sha256": "719f91449c9407b54f83bba8b0306657b6e8a07e5640e9d305a243e15c94e6e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.14269",
    "kind": "arxiv",
    "version": 3
  }
}