Pith Number

pith:UVC2UZAA

pith:2012:UVC2UZAA6RRBL4FP4DEPKLPIRJ

not attested not anchored not stored refs pending

Herschel images of Fomalhaut. An extrasolar Kuiper Belt at the height of its dynamical activity

A. Brandeker, A. M. Glauser, A. Sicilia-Aguilar, B. Acke, B.M. Swinyard, B. Sibthorpe, B. Vandenbussche, C. Dominik, C. Jean, C. Waelkens, D. A. Naylor, E. Pantin, E. T. Polehampton, G. L. Pilbratt, G. Olofsson, J. A. D. L. Blommaert, J. Di Francesco, J. S. Greaves, K. Exter, K. Smolders, M. Fridlund, M. J. Barlow, M. Min, M. R. Hogerheijde, P. Degroote, P. M. Harvey, P. Royer, R. Huygen, R. J. Ivison, R. Liseau, S. Regibo, Th. Henning, W. De Meester, W. K. Gear, W. R. F. Dent, W. S. Holland

arxiv:1204.5037 v1 · 2012-04-23 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UVC2UZAA6RRBL4FP4DEPKLPIRJ}

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	2026-05-18T03:57:14.857228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a545aa6400f46215f0afe0c8f52de88a71d0115dd959a0836c6d6c0ea757bb77

Aliases

arxiv: 1204.5037 · arxiv_version: 1204.5037v1 · doi: 10.48550/arxiv.1204.5037 · pith_short_12: UVC2UZAA6RRB · pith_short_16: UVC2UZAA6RRBL4FP · pith_short_8: UVC2UZAA

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/UVC2UZAA6RRBL4FP4DEPKLPIRJ \
  | 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: a545aa6400f46215f0afe0c8f52de88a71d0115dd959a0836c6d6c0ea757bb77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ef6803bea21dec69c6fff0ef1a7e3c1b1de71b600749ddccd53a2214939175e",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-04-23T12:03:39Z",
    "title_canon_sha256": "181bab97843331fa15159ebe5c55e300c1a038431405fd0748f7c75d036d4057"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5037",
    "kind": "arxiv",
    "version": 1
  }
}