Pith Number

pith:IJQXPRAZ

pith:1999:IJQXPRAZSKI2YW4TLUFV2DVRJT

not attested not anchored not stored refs pending

A New Algorithm for Supernova Neutrino Transport and Some Applications

A. Burrows, P.A. Pinto, R. Eastman, T. Thompson, T. Young

arxiv:astro-ph/9905132 v2 · 1999-05-12 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IJQXPRAZSKI2YW4TLUFV2DVRJT}

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	2026-07-04T16:11:12.091831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

426177c4199291ac5b935d0b5d0eb14cf349a71080eb57697c07d27e89659fe8

Aliases

arxiv: astro-ph/9905132 · arxiv_version: astro-ph/9905132v2 · doi: 10.48550/arxiv.astro-ph/9905132 · pith_short_12: IJQXPRAZSKI2 · pith_short_16: IJQXPRAZSKI2YW4T · pith_short_8: IJQXPRAZ

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/IJQXPRAZSKI2YW4TLUFV2DVRJT \
  | 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: 426177c4199291ac5b935d0b5d0eb14cf349a71080eb57697c07d27e89659fe8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75f8a34994bf7da350bc0f583b0c09d1343bb4508782f1b89feac5ff45315236",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-05-12T00:15:56Z",
    "title_canon_sha256": "6088236ac0d97874aebad517a3aeb11944b152ae40b21e307bc7d749d4cd11f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9905132",
    "kind": "arxiv",
    "version": 2
  }
}