Pith Number

pith:42VU5WXG

pith:1997:42VU5WXGDHTWINPSCQLD6IUNQU

not attested not anchored not stored refs pending

High Neutron Star Birth Velocities and Gravitational Radiation during Supernova Explosions

2) ((1) Sternberg Astronomical Institute of Moscow University, (2) Faculty of Physics of Moscow University), K. A. Postnov (1, S. N. Nazin (1)

arxiv:astro-ph/9701073 v2 · 1997-01-14 · 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{42VU5WXGDHTWINPSCQLD6IUNQU}

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	2026-05-18T04:21:40.480386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6ab4edae619e76435f214163f228d851985d21d83e7ce4194dd681848ad82b4

Aliases

arxiv: astro-ph/9701073 · arxiv_version: astro-ph/9701073v2 · doi: 10.48550/arxiv.astro-ph/9701073 · pith_short_12: 42VU5WXGDHTW · pith_short_16: 42VU5WXGDHTWINPS · pith_short_8: 42VU5WXG

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/42VU5WXGDHTWINPSCQLD6IUNQU \
  | 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: e6ab4edae619e76435f214163f228d851985d21d83e7ce4194dd681848ad82b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ef33bc4afa743913efe3e9c69e855fd44f8d78e26bc7e06998dd88aff9e62b4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-01-14T12:52:56Z",
    "title_canon_sha256": "c5bfa8238b8daf1ea77535562e5eeb72b921749ff8f3e69650033be7c15685d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9701073",
    "kind": "arxiv",
    "version": 2
  }
}