Pith Number

pith:SFGVY7B3

pith:2015:SFGVY7B3SWJXJJ2JAJLFCKTZLX

not attested not anchored not stored refs pending

Can we use Weak Lensing to Measure Total Mass Profiles of Galaxies on 20 kiloparsec Scales?

Alexie Leauthaud, Clotilde Laigle, Jason Rhodes, Masato I.N. Kobayashi, Nobuhiro Okabe, Surhud More, Tsutomu T. Takeuchi

arxiv:1502.06604 v1 · 2015-02-23 · astro-ph.CO

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

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	2026-05-18T02:18:51.186802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

914d5c7c3b959374a7490256512a795de4193d2b4c7b6629e7a1e8d40488b571

Aliases

arxiv: 1502.06604 · arxiv_version: 1502.06604v1 · doi: 10.48550/arxiv.1502.06604 · pith_short_12: SFGVY7B3SWJX · pith_short_16: SFGVY7B3SWJXJJ2J · pith_short_8: SFGVY7B3

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/SFGVY7B3SWJXJJ2JAJLFCKTZLX \
  | 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: 914d5c7c3b959374a7490256512a795de4193d2b4c7b6629e7a1e8d40488b571

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "029f0c67c9e0098ce23e12ba1d38e2e09c929d64988ede9b30c1214d61eda219",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-02-23T21:00:05Z",
    "title_canon_sha256": "8b9f99be9304111497cbe5c6802c63d98d450ce2355225193076e89a4094e256"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06604",
    "kind": "arxiv",
    "version": 1
  }
}