Pith Number

pith:PCHPXQUV

pith:2011:PCHPXQUVZWEPYTFK7KE7LMA2AK

not attested not anchored not stored refs pending

The ADS All-Sky Survey

Alberto Pepe, Alyssa Goodman, August Muench

arxiv:1111.3983 v1 · 2011-11-16 · astro-ph.IM · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PCHPXQUVZWEPYTFK7KE7LMA2AK}

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	2026-05-18T02:21:29.250233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

788efbc295cd88fc4caafa89f5b01a02b6002314a935ce5fdf9aa4902afd0817

Aliases

arxiv: 1111.3983 · arxiv_version: 1111.3983v1 · doi: 10.48550/arxiv.1111.3983 · pith_short_12: PCHPXQUVZWEP · pith_short_16: PCHPXQUVZWEPYTFK · pith_short_8: PCHPXQUV

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/PCHPXQUVZWEPYTFK7KE7LMA2AK \
  | 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: 788efbc295cd88fc4caafa89f5b01a02b6002314a935ce5fdf9aa4902afd0817

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcbdd81859571ad35fed4d10f5c2a9c0b2a9f729e0a5049801228b1e1f5781e7",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-11-16T22:09:57Z",
    "title_canon_sha256": "54925cbf5e37ba9be14cfe88420ae0da7e25d62c449cbb23b1d666677332dde7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3983",
    "kind": "arxiv",
    "version": 1
  }
}