Pith Number

pith:MSIZ6JOO

pith:2019:MSIZ6JOOJ46JGEAKCTSCRHPBVC

not attested not anchored not stored refs pending

Galaxy mass profiles from strong lensing I: The circular power-law model

Conor M. O'Riordan, Daniel J. Mortlock, Stephen J. Warren

arxiv:1904.08400 v3 · 2019-04-17 · 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{MSIZ6JOOJ46JGEAKCTSCRHPBVC}

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	2026-05-17T23:42:19.758823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64919f25ce4f3c93100a14e4289de1a88758b97c89e6d32e36c5133d34bbc22f

Aliases

arxiv: 1904.08400 · arxiv_version: 1904.08400v3 · doi: 10.48550/arxiv.1904.08400 · pith_short_12: MSIZ6JOOJ46J · pith_short_16: MSIZ6JOOJ46JGEAK · pith_short_8: MSIZ6JOO

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/MSIZ6JOOJ46JGEAKCTSCRHPBVC \
  | 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: 64919f25ce4f3c93100a14e4289de1a88758b97c89e6d32e36c5133d34bbc22f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d28b8b1dcd252dc24a5af493465d64500d4bc66751ce0f800addba6f10b40fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-17T17:56:13Z",
    "title_canon_sha256": "38f7673f022259bb286e62e5edda65c882de2b9e8157742f96d8408b46da8f79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08400",
    "kind": "arxiv",
    "version": 3
  }
}