Pith Number

pith:22UGAMPX

pith:2018:22UGAMPXEMQPD5LQNXG35T56BJ

not attested not anchored not stored refs pending

Planetary Nebulae Shaped By Common Envelope Evolution

Adam Frank, Eric Blackman, Jason Nordhaus, Orsola De Marco, Thomas Reichardt, Zhuo Chen

arxiv:1807.05925 v1 · 2018-07-16 · 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{22UGAMPXEMQPD5LQNXG35T56BJ}

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	2026-05-18T00:10:42.220573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6a86031f72320f1f5706dcdbecfbe0a52a97758a777322bc7d466d86e4fc13f

Aliases

arxiv: 1807.05925 · arxiv_version: 1807.05925v1 · doi: 10.48550/arxiv.1807.05925 · pith_short_12: 22UGAMPXEMQP · pith_short_16: 22UGAMPXEMQPD5LQ · pith_short_8: 22UGAMPX

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/22UGAMPXEMQPD5LQNXG35T56BJ \
  | 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: d6a86031f72320f1f5706dcdbecfbe0a52a97758a777322bc7d466d86e4fc13f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16feb7d02e342540a5f63f21fe1f044f0d8e11b21f5d22cc27b4d09af0114d2c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-16T15:36:13Z",
    "title_canon_sha256": "d45ab1cd8159656efe432a6e4e4e6af8004d7de6a202598fcc9a77ab4e5764e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05925",
    "kind": "arxiv",
    "version": 1
  }
}