Pith Number

pith:WBPOPCA4

pith:2007:WBPOPCA4BVWWFV27UDN6IAKNUP

not attested not anchored not stored refs pending

Spitzer IRS mapping of the central kpc of Centaurus A

Alice C. Quillen, Almudena Alonso-Herrero, Charles R. Lawrence, D. Amelia Prasad, J. D. Smith, Joel Green, Joss Bland-Hawthorn, Kieran Cleary, Mairi H. Brookes

arxiv:0710.5087 v1 · 2007-10-26 · 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{WBPOPCA4BVWWFV27UDN6IAKNUP}

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	2026-05-18T01:36:16.155185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b05ee7881c0d6d62d75fa0dbe4014da3db643f5a9354615d009acfc53063dd4f

Aliases

arxiv: 0710.5087 · arxiv_version: 0710.5087v1 · doi: 10.48550/arxiv.0710.5087 · pith_short_12: WBPOPCA4BVWW · pith_short_16: WBPOPCA4BVWWFV27 · pith_short_8: WBPOPCA4

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/WBPOPCA4BVWWFV27UDN6IAKNUP \
  | 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: b05ee7881c0d6d62d75fa0dbe4014da3db643f5a9354615d009acfc53063dd4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31121af93db423f6f6792e57b83cdc289d40c87645b4cb21c8e3cca81c733319",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-10-26T13:35:48Z",
    "title_canon_sha256": "b6ae79aa8b0bbfcf8b9a89667ee15973420fd8b0d76f093fd9d596274d3c29f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.5087",
    "kind": "arxiv",
    "version": 1
  }
}