Pith Number

pith:RWR6MKVO

pith:1997:RWR6MKVOCQOZTRTQ4HHVSGEYM2

not attested not anchored not stored refs pending

On Pulsar Velocities from Neutrino Oscillations

Michael Birkel, Ramon Toldra (Oxford University)

arxiv:astro-ph/9704138 v2 · 1997-04-15 · astro-ph · hep-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{RWR6MKVOCQOZTRTQ4HHVSGEYM2}

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	2026-05-18T04:21:40.440221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8da3e62aae141d99c670e1cf591898668d4c72e794dd2914d2d13b4fd5c51a65

Aliases

arxiv: astro-ph/9704138 · arxiv_version: astro-ph/9704138v2 · doi: 10.48550/arxiv.astro-ph/9704138 · pith_short_12: RWR6MKVOCQOZ · pith_short_16: RWR6MKVOCQOZTRTQ · pith_short_8: RWR6MKVO

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/RWR6MKVOCQOZTRTQ4HHVSGEYM2 \
  | 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: 8da3e62aae141d99c670e1cf591898668d4c72e794dd2914d2d13b4fd5c51a65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50dc69162a4032f40157c4ecb0624fe42d9fbeb8ba20a9a439add8d87da2a9ff",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-04-15T00:27:28Z",
    "title_canon_sha256": "283185cd6fe49b605f0c70d96c73d517668766069fdaa1ca28fa91fd9da52aec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9704138",
    "kind": "arxiv",
    "version": 2
  }
}