Pith Number

pith:JR4BO4UH

pith:2018:JR4BO4UHVFDM6OXJYNAUX5UMQN

not attested not anchored not stored refs pending

Detection of Circumstellar Helium in Type Iax Progenitor Systems

Charles Kilpatrick, Daniel Kasen, Georgios Dimitriadis, Josiah Schwab, Rollin Thomas, Ryan Foley, Saurabh Jha, Shawfeng Dong, Wynn Jacobson-Galan

arxiv:1812.11692 v2 · 2018-12-31 · astro-ph.HE · 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{JR4BO4UHVFDM6OXJYNAUX5UMQN}

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	2026-05-17T23:45:31.269819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c78177287a946cf3ae9c3414bf68c835f765fac0731df508956dcdf95ce2695

Aliases

arxiv: 1812.11692 · arxiv_version: 1812.11692v2 · doi: 10.48550/arxiv.1812.11692 · pith_short_12: JR4BO4UHVFDM · pith_short_16: JR4BO4UHVFDM6OXJ · pith_short_8: JR4BO4UH

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/JR4BO4UHVFDM6OXJYNAUX5UMQN \
  | 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: 4c78177287a946cf3ae9c3414bf68c835f765fac0731df508956dcdf95ce2695

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ef671c07a804c6e2255970014c4879aada31ac1cd46804eb6d24bcc22506961",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-12-31T04:05:14Z",
    "title_canon_sha256": "41d744a4df4ff5109692d93147cf86c69f9dc70032f11e9cba242136d0b82edb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11692",
    "kind": "arxiv",
    "version": 2
  }
}