Pith Number

pith:NXIOKDJZ

pith:2020:NXIOKDJZKEPWPMDJ6JOCEI73DL

not attested not anchored not stored refs pending

Luminous supernovae associated with ultra-long gamma-ray bursts from hydrogen-free progenitors extended by pulsational pair-instability

Pablo Marchant, Sergei I. Blinnikov, Takashi J. Moriya

arxiv:2007.06221 v2 · 2020-07-13 · 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{NXIOKDJZKEPWPMDJ6JOCEI73DL}

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	2026-07-05T01:55:29.679189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dd0e50d39511f67b069f25c2223fb1ae8956ce0e5b83a56217652f87f220cfb

Aliases

arxiv: 2007.06221 · arxiv_version: 2007.06221v2 · doi: 10.48550/arxiv.2007.06221 · pith_short_12: NXIOKDJZKEPW · pith_short_16: NXIOKDJZKEPWPMDJ · pith_short_8: NXIOKDJZ

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/NXIOKDJZKEPWPMDJ6JOCEI73DL \
  | 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: 6dd0e50d39511f67b069f25c2223fb1ae8956ce0e5b83a56217652f87f220cfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a365ea5f6a859f3c7a09ed38a2e82ddf7ed34ea35b085e68bde4da6a572d7c8f",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-07-13T07:42:59Z",
    "title_canon_sha256": "b278b476d9fcb3cab80975070870dc82342938da08a550fd7b7016b70790ce4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.06221",
    "kind": "arxiv",
    "version": 2
  }
}