Pith Number

pith:NYIHBNK4

pith:2015:NYIHBNK4ROZKBXZZCCY4M65MER

not attested not anchored not stored refs pending

The Innermost Mass Distribution of the Gravitational Lens SDP.81 from ALMA Observations

Academia Sinica (ASIAA)), Astrophysics, Kenneth C. Wong (1), Satoki Matsushita (1) ((1) Institute of Astronomy, Sherry H. Suyu (1)

arxiv:1503.05558 v3 · 2015-03-18 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NYIHBNK4ROZKBXZZCCY4M65MER}

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	2026-05-18T01:31:03.135484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e1070b55c8bb2a0df3910b1c67bac2451fcb9628b0fa94453401721ae6fa128

Aliases

arxiv: 1503.05558 · arxiv_version: 1503.05558v3 · doi: 10.48550/arxiv.1503.05558 · pith_short_12: NYIHBNK4ROZK · pith_short_16: NYIHBNK4ROZKBXZZ · pith_short_8: NYIHBNK4

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/NYIHBNK4ROZKBXZZCCY4M65MER \
  | 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: 6e1070b55c8bb2a0df3910b1c67bac2451fcb9628b0fa94453401721ae6fa128

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5edc1fa7bbabd59df7e9123a0ac5688a18dc728fae0254a656b3f78f1d69b048",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-03-18T20:00:13Z",
    "title_canon_sha256": "fe082d0535f5bfc43dd153f4fc7f0da2d9a72e9d7b60a3004ba5dee23b8e15ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05558",
    "kind": "arxiv",
    "version": 3
  }
}