Pith Number

pith:4BRUBIDU

pith:2011:4BRUBIDUWWJTJDIDYDRJPD2QU4

not attested not anchored not stored refs pending

On Point Spread Function modelling: towards optimal interpolation

Adam Amara, Jason Rhodes, Joel Berg\'e, Sedona Price

arxiv:1110.2517 v1 · 2011-10-11 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4BRUBIDUWWJTJDIDYDRJPD2QU4}

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	2026-05-18T02:00:13.481469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e06340a074b593348d03c0e2978f50a72432aea87f7c53c9b81afcd783a23ba6

Aliases

arxiv: 1110.2517 · arxiv_version: 1110.2517v1 · doi: 10.48550/arxiv.1110.2517 · pith_short_12: 4BRUBIDUWWJT · pith_short_16: 4BRUBIDUWWJTJDID · pith_short_8: 4BRUBIDU

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/4BRUBIDUWWJTJDIDYDRJPD2QU4 \
  | 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: e06340a074b593348d03c0e2978f50a72432aea87f7c53c9b81afcd783a23ba6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ccf1c1b55b39a8e26317bb5ac9105b94b5ec0c320a999a00bf756a1235504ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-10-11T21:58:37Z",
    "title_canon_sha256": "9858dc64483a210f125546e4a11ed021979b58a8816bd3e5e88f3f5036d09fa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.2517",
    "kind": "arxiv",
    "version": 1
  }
}