pith. sign in
Pith Number

pith:HY2PCEJT

pith:2018:HY2PCEJTEPWZD3IAWIF22DTCUQ
not attested not anchored not stored refs pending

Oxygen and helium in stripped-envelope supernovae

A. De Cia, A. Gal-Yam, A. Horesh, A. V. Filippenko, C. Barbarino, C. Fremling, C. Saunders, D. A. Howell, D. A. Perley, D. Kuesters, E. Karamehmetoglu, F. Taddia, G. Duggan, G. Hosseinzadeh, I. Arcavi, J. Sollerman, K. Clubb, M. Ergon, M. L. Graham, M. M. Kasliwal, P. E. Nugent, R. Lunnan, R. M. Quimby, S. B. Cenko, S. R. Kulkarni, T. Matheson

arxiv:1807.00100 v1 · 2018-06-30 · astro-ph.HE · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HY2PCEJTEPWZD3IAWIF22DTCUQ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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 2026-05-18T00:03:04.861093Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3e34f1113323ed91ed00b20bad0e62a4379917014175bbf2109091d62f476715

Aliases

arxiv: 1807.00100 · arxiv_version: 1807.00100v1 · doi: 10.48550/arxiv.1807.00100 · pith_short_12: HY2PCEJTEPWZ · pith_short_16: HY2PCEJTEPWZD3IA · pith_short_8: HY2PCEJT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HY2PCEJTEPWZD3IAWIF22DTCUQ \
  | 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: 3e34f1113323ed91ed00b20bad0e62a4379917014175bbf2109091d62f476715
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4ae7884855219154a91d53ecf841d17f5eef047ceab36407ff5be2b2290e6cdf",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-06-30T01:16:06Z",
    "title_canon_sha256": "386fdef15e1beebcb26657304d9edbaadf45a7b3e20eca908821b80409685465"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00100",
    "kind": "arxiv",
    "version": 1
  }
}