Pith Number

pith:36VZMGGS

pith:2009:36VZMGGS77GNEFTT3VQX3EZFZ4

not attested not anchored not stored refs pending

The Nature of the Near-IR Core Source in 3C 433

C. N. Tadhunter, C. Packham, D. Axon, D. Batcheldor, Edgar A. Ramirez, S. Young, W. B. Sparks

arxiv:0907.3478 v1 · 2009-07-20 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{36VZMGGS77GNEFTT3VQX3EZFZ4}

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	2026-05-18T02:12:55.411726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfab9618d2ffccd21673dd617d9325cf332e885e044289cfd905906ae0c81cd6

Aliases

arxiv: 0907.3478 · arxiv_version: 0907.3478v1 · doi: 10.48550/arxiv.0907.3478 · pith_short_12: 36VZMGGS77GN · pith_short_16: 36VZMGGS77GNEFTT · pith_short_8: 36VZMGGS

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/36VZMGGS77GNEFTT3VQX3EZFZ4 \
  | 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: dfab9618d2ffccd21673dd617d9325cf332e885e044289cfd905906ae0c81cd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f01ee5b6d8a30614bbceccbee0cab06e090549d8535f8f98207e9038890692f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-20T20:00:06Z",
    "title_canon_sha256": "ab7d7ff2743d1642c55243b5d0552a04467dab0063ee043f8384da6b5e226da9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3478",
    "kind": "arxiv",
    "version": 1
  }
}