Pith Number

pith:DO3CWLDA

pith:2012:DO3CWLDA35IPOVWYTW3NPDJOWR

not attested not anchored not stored refs pending

IPS Observation System for Miyun 50m Radio Telescope and Its Acceptance Observation

De-Qing Kong, Hong-Bo Zhang, Hui-Peng Qu, Xin-Ying Zhu, Xi-Zhen Zhang

arxiv:1203.5173 v1 · 2012-03-23 · 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{DO3CWLDA35IPOVWYTW3NPDJOWR}

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	2026-05-18T01:58:04.139673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bb62b2c60df50f756d89db6d78d2eb4556e3cb13adca89f5e78dfcad4e56254

Aliases

arxiv: 1203.5173 · arxiv_version: 1203.5173v1 · doi: 10.48550/arxiv.1203.5173 · pith_short_12: DO3CWLDA35IP · pith_short_16: DO3CWLDA35IPOVWY · pith_short_8: DO3CWLDA

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/DO3CWLDA35IPOVWYTW3NPDJOWR \
  | 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: 1bb62b2c60df50f756d89db6d78d2eb4556e3cb13adca89f5e78dfcad4e56254

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ab6bd903353a26191a2b0c0a47346e2875247d9b95c5e6f4e301fa89996e0c6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-03-23T04:15:14Z",
    "title_canon_sha256": "8b6292017fa2e136a965e3f6baebdca63831de361a3ec3c10413a459426f9a8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5173",
    "kind": "arxiv",
    "version": 1
  }
}