Pith Number

pith:BCJHJNJ5

pith:2017:BCJHJNJ5ALDGX2FYMSDYJHYLPE

not attested not anchored not stored refs pending

Planck's Dusty GEMS. III. A massive lensing galaxy with a bottom-heavy stellar initial mass function at z=1.5

B. Frye, D. Scott, E. Le Floc'h, H. Dole, I. Oteo, M. Limousin, N. P. H. Nesvadba, R. Canameras, R. Gavazzi, R. Kneissl, S. Koenig

arxiv:1703.02984 v1 · 2017-03-08 · 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{BCJHJNJ5ALDGX2FYMSDYJHYLPE}

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	2026-05-18T00:47:45.471840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

089274b53d02c66be8b86487849f0b7925349ec72836e5448da4e761c08ea982

Aliases

arxiv: 1703.02984 · arxiv_version: 1703.02984v1 · doi: 10.48550/arxiv.1703.02984 · pith_short_12: BCJHJNJ5ALDG · pith_short_16: BCJHJNJ5ALDGX2FY · pith_short_8: BCJHJNJ5

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/BCJHJNJ5ALDGX2FYMSDYJHYLPE \
  | 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: 089274b53d02c66be8b86487849f0b7925349ec72836e5448da4e761c08ea982

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa945a1cff74152d1628c9e14d9dfc302466bdc043383d81f4a65e9d29c9650d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-03-08T19:00:06Z",
    "title_canon_sha256": "3fcca25b9fd969718462e53f3b9b5da99ef32020b021243ed825561fa5e31c7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.02984",
    "kind": "arxiv",
    "version": 1
  }
}