Pith Number

pith:I7OPAPDX

pith:2015:I7OPAPDXC25GNRFGQQG3JU2XIA

not attested not anchored not stored refs pending

Matter Mixing in Core-collapse Supernova Ejecta: Large Density Perturbations in the Progenitor Star?

H. Ito, J. Mao, J. Matsumoto, M. G. Dainotti, M. Hashimoto, M. Ono, S.-H. Lee, S. Nagataki

arxiv:1507.07061 v1 · 2015-07-25 · 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{I7OPAPDXC25GNRFGQQG3JU2XIA}

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	2026-05-18T01:36:17.370380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47dcf03c7716ba66c4a6840db4d35740384385d79efa859c47014940cfa369ed

Aliases

arxiv: 1507.07061 · arxiv_version: 1507.07061v1 · doi: 10.48550/arxiv.1507.07061 · pith_short_12: I7OPAPDXC25G · pith_short_16: I7OPAPDXC25GNRFG · pith_short_8: I7OPAPDX

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/I7OPAPDXC25GNRFGQQG3JU2XIA \
  | 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: 47dcf03c7716ba66c4a6840db4d35740384385d79efa859c47014940cfa369ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03cb6426192254c002e6005d2652c552faa1d7541bc9aa6cc943cfd4b9c53e82",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-07-25T03:27:52Z",
    "title_canon_sha256": "75480d8871d7f901c546227622753d7d5b7c59581e462f29849c1e9b447dcabd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07061",
    "kind": "arxiv",
    "version": 1
  }
}