Pith Number

pith:D5LC3PFD

pith:2025:D5LC3PFD6FJ2QQ4C62MBAVSNPG

not attested not anchored not stored refs pending

Thermal and Kinematic Properties of Ejecta in SN1987A revealed by XRISM

XRISM Collaboration

arxiv:2505.07479 v2 · 2025-05-12 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D5LC3PFD6FJ2QQ4C62MBAVSNPG}

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	2026-07-05T11:21:46.528409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f562dbca3f153a84382f69810564d79b7f9bbf040db0ed05ea9f8d4470b2803

Aliases

arxiv: 2505.07479 · arxiv_version: 2505.07479v2 · doi: 10.48550/arxiv.2505.07479 · pith_short_12: D5LC3PFD6FJ2 · pith_short_16: D5LC3PFD6FJ2QQ4C · pith_short_8: D5LC3PFD

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/D5LC3PFD6FJ2QQ4C62MBAVSNPG \
  | 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: 1f562dbca3f153a84382f69810564d79b7f9bbf040db0ed05ea9f8d4470b2803

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "181d0e4133643fae007ecb7ee5a0720183edb1984679c00e00e766cc6b14a013",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-05-12T12:11:21Z",
    "title_canon_sha256": "847c4588c000bd3d9ddf6fd235e78522bd38ad1088c1b17d363d49ed298b0653"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.07479",
    "kind": "arxiv",
    "version": 2
  }
}