Pith Number

pith:TNZD6OBQ

pith:2009:TNZD6OBQQAXOQJV7DM3BVQ6PJP

not attested not anchored not stored refs pending

The Crab pulsar and its pulsar-wind nebula in the optical and infrared

A. A. Djupvik, A. Tziamtzis, P. Lundqvist

arxiv:0911.0608 v1 · 2009-11-03 · 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{TNZD6OBQQAXOQJV7DM3BVQ6PJP}

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	2026-05-18T02:11:00.128610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b723f3830802ee826bf1b361ac3cf4bc132d6e8d44d480e756b7697cfa2f243

Aliases

arxiv: 0911.0608 · arxiv_version: 0911.0608v1 · doi: 10.48550/arxiv.0911.0608 · pith_short_12: TNZD6OBQQAXO · pith_short_16: TNZD6OBQQAXOQJV7 · pith_short_8: TNZD6OBQ

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/TNZD6OBQQAXOQJV7DM3BVQ6PJP \
  | 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: 9b723f3830802ee826bf1b361ac3cf4bc132d6e8d44d480e756b7697cfa2f243

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f607654242e9279167f381174f7e041e9d1ab3547320f9642701b46cdb075e47",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-11-03T17:19:41Z",
    "title_canon_sha256": "ad055c5e3f18ff5484e896ff6a4a691d8094a04f73544739a08536f1fa013c34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0608",
    "kind": "arxiv",
    "version": 1
  }
}