Pith Number

pith:VDCN5G4C

pith:2013:VDCN5G4CJ67UKSRXU6ROLZU2OG

not attested not anchored not stored refs pending

Sparsely Sampling the Sky: Regular vs Random Sampling

A. H. Jaffe, J. -L. Starck, P. Paykari, S. Pires

arxiv:1306.3035 v1 · 2013-06-13 · 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{VDCN5G4CJ67UKSRXU6ROLZU2OG}

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	2026-05-18T01:32:35.166208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8c4de9b824fbf454a37a7a2e5e69a71aa455f40fb405d0c863cb21e5e3e4e3c

Aliases

arxiv: 1306.3035 · arxiv_version: 1306.3035v1 · doi: 10.48550/arxiv.1306.3035 · pith_short_12: VDCN5G4CJ67U · pith_short_16: VDCN5G4CJ67UKSRX · pith_short_8: VDCN5G4C

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/VDCN5G4CJ67UKSRXU6ROLZU2OG \
  | 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: a8c4de9b824fbf454a37a7a2e5e69a71aa455f40fb405d0c863cb21e5e3e4e3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ae729c7abaed2b8d9cae31f3eff3113f6d65ca0fec5423a0fad443b4c17616b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-06-13T06:41:00Z",
    "title_canon_sha256": "db998aa4851e4e5a89d3d06acd4223611157d0737b32b47c1b1d50b4ce599c24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3035",
    "kind": "arxiv",
    "version": 1
  }
}