Pith Number

pith:WHT5HVV3

pith:2016:WHT5HVV3BEW255RJFNY6STTFNB

not attested not anchored not stored refs pending

Red nuggets grow inside-out: evidence from gravitational lensing

Brendon J. Brewer, Chris Fassnacht, David Lagattuta, John McKean, Lindsay Oldham, L.V.E. Koopmans, Matt Auger, Philip Marshall, Simona Vegetti, Tommaso Treu

arxiv:1611.00008 v1 · 2016-10-31 · 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{WHT5HVV3BEW255RJFNY6STTFNB}

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	2026-05-18T00:52:14.156527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1e7d3d6bb092daef6292b71e94e65685df9504551243895cba11a8971e60b89

Aliases

arxiv: 1611.00008 · arxiv_version: 1611.00008v1 · doi: 10.48550/arxiv.1611.00008 · pith_short_12: WHT5HVV3BEW2 · pith_short_16: WHT5HVV3BEW255RJ · pith_short_8: WHT5HVV3

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/WHT5HVV3BEW255RJFNY6STTFNB \
  | 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: b1e7d3d6bb092daef6292b71e94e65685df9504551243895cba11a8971e60b89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fbbaac9a88de3e491fd6a776431aae9d4518901f620e594157d7506adf44eb7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-10-31T20:00:02Z",
    "title_canon_sha256": "e6d43b368d6f9e27077140fe22e2a794cd86d374195ae1185bcbe9c5817bf597"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.00008",
    "kind": "arxiv",
    "version": 1
  }
}