Pith Number

pith:3UNGI4X3

pith:2011:3UNGI4X3BVS6GZYU7LZ62LAADX

not attested not anchored not stored refs pending

VST processing facility: first astronomical applications

A. Grado, F. Getman, L. Limatola, M. Capaccioli

arxiv:1102.1588 v2 · 2011-02-08 · 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{3UNGI4X3BVS6GZYU7LZ62LAADX}

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	2026-05-18T04:28:09.242279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd1a6472fb0d65e36714faf3ed2c001de4c6317b92b22560be83c4a3e175728f

Aliases

arxiv: 1102.1588 · arxiv_version: 1102.1588v2 · doi: 10.48550/arxiv.1102.1588 · pith_short_12: 3UNGI4X3BVS6 · pith_short_16: 3UNGI4X3BVS6GZYU · pith_short_8: 3UNGI4X3

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/3UNGI4X3BVS6GZYU7LZ62LAADX \
  | 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: dd1a6472fb0d65e36714faf3ed2c001de4c6317b92b22560be83c4a3e175728f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "519de1dd828985336e4a2064edcc3e0796b5861a7a458d6e53dba6161ce1531f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-02-08T12:35:26Z",
    "title_canon_sha256": "21095a17f15455571bf349364826637b1ea5faa7d148c325e94f8799867587ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1588",
    "kind": "arxiv",
    "version": 2
  }
}