Pith Number

pith:XT4ZJYKJ

pith:2011:XT4ZJYKJEJU4XMHCZM3EXIYJRL

not attested not anchored not stored refs pending

IVOA Recommendation: The UCD1+ controlled vocabulary Version 1.23

Andrea Preite Martinez, Francois Ochsenbein, Guy Rixon, Jonathan McDowell, Nausicaa Delmotte, Norman Gray, Pedro Osuna, Robert Mann, Roy Williams, Sebastien Derriere, Thomas Mc Glynn

arxiv:1110.0518 v1 · 2011-10-03 · 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{XT4ZJYKJEJU4XMHCZM3EXIYJRL}

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	2026-05-17T23:45:41.927019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcf994e1492269cbb0e2cb364ba3098afd3aa6d43dddbd2f90356f6931b9a237

Aliases

arxiv: 1110.0518 · arxiv_version: 1110.0518v1 · doi: 10.48550/arxiv.1110.0518 · pith_short_12: XT4ZJYKJEJU4 · pith_short_16: XT4ZJYKJEJU4XMHC · pith_short_8: XT4ZJYKJ

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/XT4ZJYKJEJU4XMHCZM3EXIYJRL \
  | 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: bcf994e1492269cbb0e2cb364ba3098afd3aa6d43dddbd2f90356f6931b9a237

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69e4851a9138d3efe790b92668444aa46f84156200a253c47ad287a329fc3b65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-10-03T21:36:29Z",
    "title_canon_sha256": "6fbe28c1f7f30db9d64195a8a943b8acb9475ec4f2320cace02b748016cace66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0518",
    "kind": "arxiv",
    "version": 1
  }
}