Pith Number

pith:IS24VUZK

pith:2003:IS24VUZK42CC7JPKS4WF3FKKWV

not attested not anchored not stored refs pending

Synchrotron Radiation from the Crab Nebula Discriminates between Models of Space-Time Foam

A.S. Sakharov, J. Ellis, N.E. Mavromatos

arxiv:astro-ph/0308403 v3 · 2003-08-22 · astro-ph · gr-qc · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IS24VUZK42CC7JPKS4WF3FKKWV}

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	2026-07-04T15:49:14.433951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44b5cad32ae6842fa5ea972c5d954ab564d02a6d96e3bc257d338995dd0469c3

Aliases

arxiv: astro-ph/0308403 · arxiv_version: astro-ph/0308403v3 · doi: 10.48550/arxiv.astro-ph/0308403 · pith_short_12: IS24VUZK42CC · pith_short_16: IS24VUZK42CC7JPK · pith_short_8: IS24VUZK

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/IS24VUZK42CC7JPKS4WF3FKKWV \
  | 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: 44b5cad32ae6842fa5ea972c5d954ab564d02a6d96e3bc257d338995dd0469c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "696d63f27b5e5b479693f5317d2a66ab53d3ae2b336963b2ed5607d4cea6c64b",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-08-22T15:53:55Z",
    "title_canon_sha256": "aa228f830f57a72b7d55d28cebeeabbc786596f40a263731e72cd31967dddc13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0308403",
    "kind": "arxiv",
    "version": 3
  }
}