Pith Number

pith:64MJ6K33

pith:2007:64MJ6K33KGW3VG2CSHLURYALYT

not attested not anchored not stored refs pending

The Optical Spectrum of the Vela Pulsar

INAF), MSSL), P. A. Caraveo (IASF, R.P. Mignani (UCL, S. Zharikov (UNAM)

arxiv:0707.2036 v1 · 2007-07-13 · 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{64MJ6K33KGW3VG2CSHLURYALYT}

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	2026-05-18T04:26:00.690719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7189f2b7b51adba9b4291d748e00bc4f741741b11b3ee5e674cad8b31aaa359

Aliases

arxiv: 0707.2036 · arxiv_version: 0707.2036v1 · doi: 10.48550/arxiv.0707.2036 · pith_short_12: 64MJ6K33KGW3 · pith_short_16: 64MJ6K33KGW3VG2C · pith_short_8: 64MJ6K33

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/64MJ6K33KGW3VG2CSHLURYALYT \
  | 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: f7189f2b7b51adba9b4291d748e00bc4f741741b11b3ee5e674cad8b31aaa359

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1707f62fedaf8ef448a22db718327335812fb476366b17d9546533a305f12794",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-07-13T15:26:24Z",
    "title_canon_sha256": "0b7252384fa61a3da8cca77921067866e399ddfa6111a6de94a819e2bfabf9a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.2036",
    "kind": "arxiv",
    "version": 1
  }
}