Pith Number

pith:7ZPG7AS3

pith:2012:7ZPG7AS37X4MRZBZSGQATYJAGV

not attested not anchored not stored refs pending

Discovery of A Binary System in IRAM 04191+1522

(2) Harvard-Smithsonian Center for Astrophysics), Hector G. Arce (1), Michael M. Dunham (1), Qizhou Zhang (2) ((1) Yale Astronomy Department, Xuepeng Chen (1)

arxiv:1202.2807 v1 · 2012-02-13 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ZPG7AS37X4MRZBZSGQATYJAGV}

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	2026-05-18T01:58:29.096756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe5e6f825bfdf8c8e43991a009e120354637bad59175dd21b98c870eaded3b66

Aliases

arxiv: 1202.2807 · arxiv_version: 1202.2807v1 · doi: 10.48550/arxiv.1202.2807 · pith_short_12: 7ZPG7AS37X4M · pith_short_16: 7ZPG7AS37X4MRZBZ · pith_short_8: 7ZPG7AS3

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/7ZPG7AS37X4MRZBZSGQATYJAGV \
  | 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: fe5e6f825bfdf8c8e43991a009e120354637bad59175dd21b98c870eaded3b66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2edef5f0e3eaca57682ee5a70028d9c0b79ab785e77082244e2f4c52cb9d02c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-02-13T18:08:19Z",
    "title_canon_sha256": "08161bb285903d09c784837506eeced4512b1a21f5415209713edd52fe54c7aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2807",
    "kind": "arxiv",
    "version": 1
  }
}