Pith Number

pith:ZYYR3UIM

pith:2012:ZYYR3UIMUC2RFTYGP5OQZWZ5E7

not attested not anchored not stored refs pending

Camera for QUasars in EArly uNiverse (CQUEAN)

Changsu Choi, Eunbin Kim, Hyeonju Jeong, Juhee Lim, Myungshin Im, Seunghyuk Chang, Soojong Pak, Won-Kee Park, Yiseul Jeon

arxiv:1206.2722 v1 · 2012-06-13 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZYYR3UIMUC2RFTYGP5OQZWZ5E7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:56:59.163276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce311dd10ca0b512cf067f5d0cdb3d27fe56e6e140af19503b5b84c819fe5817

Aliases

arxiv: 1206.2722 · arxiv_version: 1206.2722v1 · doi: 10.48550/arxiv.1206.2722 · pith_short_12: ZYYR3UIMUC2R · pith_short_16: ZYYR3UIMUC2RFTYG · pith_short_8: ZYYR3UIM

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/ZYYR3UIMUC2RFTYGP5OQZWZ5E7 \
  | 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: ce311dd10ca0b512cf067f5d0cdb3d27fe56e6e140af19503b5b84c819fe5817

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "327f6784d9cf50b50a31ace4bb866e42af579b4bf75db6f2ffad006096ab63ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-06-13T05:54:46Z",
    "title_canon_sha256": "c054df00bda01c694f12be20b3e4b7007b1a86a3a0210cfed30c1e30324057d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.2722",
    "kind": "arxiv",
    "version": 1
  }
}