Pith Number

pith:QQMMSIMP

pith:2015:QQMMSIMPRFFY25V3KI4PZO56WE

not attested not anchored not stored refs pending

ALMA imaging of SDP.81 - I. A pixelated reconstruction of the far-infrared continuum emission

J. P. McKean, M. Rybak, P. Andreani, S. D. M. White, S. Vegetti

arxiv:1503.02025 v3 · 2015-03-06 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QQMMSIMPRFFY25V3KI4PZO56WE}

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	2026-05-18T02:17:51.152333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8418c9218f894b8d76bb5238fcbbbeb103f488f751a3e0c06fbc199dc2776498

Aliases

arxiv: 1503.02025 · arxiv_version: 1503.02025v3 · doi: 10.48550/arxiv.1503.02025 · pith_short_12: QQMMSIMPRFFY · pith_short_16: QQMMSIMPRFFY25V3 · pith_short_8: QQMMSIMP

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/QQMMSIMPRFFY25V3KI4PZO56WE \
  | 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: 8418c9218f894b8d76bb5238fcbbbeb103f488f751a3e0c06fbc199dc2776498

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc5587b2cb3405a833d842235dd2cbc6e56120bdb1d5eb7bc66fffee564c8ba3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-03-06T17:58:38Z",
    "title_canon_sha256": "75e650e6a08226550d27e4dc09d981be40b2a21e320a07789b6e73f97b1135db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02025",
    "kind": "arxiv",
    "version": 3
  }
}