Pith Number

pith:TYPVCXBT

pith:2018:TYPVCXBTUSRAPCXS3JXMXZODTK

not attested not anchored not stored refs pending

A mixed helium-oxygen shell in some core-collapse supernova progenitors

Avishai Gilkis, Noam Soker, Roni Anna Gofman

arxiv:1801.01424 v2 · 2018-01-04 · 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{TYPVCXBTUSRAPCXS3JXMXZODTK}

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	2026-05-18T00:15:58.144061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e1f515c33a4a2078af2da6ecbe5c39a8dd24108da67af3fe8ee4b7762eab17f

Aliases

arxiv: 1801.01424 · arxiv_version: 1801.01424v2 · doi: 10.48550/arxiv.1801.01424 · pith_short_12: TYPVCXBTUSRA · pith_short_16: TYPVCXBTUSRAPCXS · pith_short_8: TYPVCXBT

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/TYPVCXBTUSRAPCXS3JXMXZODTK \
  | 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: 9e1f515c33a4a2078af2da6ecbe5c39a8dd24108da67af3fe8ee4b7762eab17f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d86c4856567694ed5745a3c84b9b6d5a895fa394448051b56bde508044e3b7c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-01-04T16:26:04Z",
    "title_canon_sha256": "0b3ca7152cc18aa8486f803252c137ed61b46c2daa315c3ec9b42fda6a53d4a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01424",
    "kind": "arxiv",
    "version": 2
  }
}