Pith Number

pith:2YPCB7J7

pith:2011:2YPCB7J7COQG74PEX7JVZOUI2B

not attested not anchored not stored refs pending

Development of 2MASS Catalog Server Kit

Chisato Yamauchi

arxiv:1110.4206 v1 · 2011-10-19 · 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{2YPCB7J7COQG74PEX7JVZOUI2B}

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	2026-05-18T02:00:08.803026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d61e20fd3f13a06ff1e4bfd35cba88d079224328e4a69887aa6f8dfb72eead1d

Aliases

arxiv: 1110.4206 · arxiv_version: 1110.4206v1 · doi: 10.48550/arxiv.1110.4206 · pith_short_12: 2YPCB7J7COQG · pith_short_16: 2YPCB7J7COQG74PE · pith_short_8: 2YPCB7J7

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/2YPCB7J7COQG74PEX7JVZOUI2B \
  | 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: d61e20fd3f13a06ff1e4bfd35cba88d079224328e4a69887aa6f8dfb72eead1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aca186728c77a48a48bdcbd67846da57d648a45212110da07a4b15520f9f4b75",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-10-19T08:38:12Z",
    "title_canon_sha256": "2ed083027f885efebc2cf0ec066c227d04fa99ba276a02542c4c20bf90995472"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4206",
    "kind": "arxiv",
    "version": 1
  }
}