Pith Number

pith:A5SV3G6S

pith:2016:A5SV3G6SFN2GLTR2TJYUPGNRAI

not attested not anchored not stored refs pending

A spiral galaxy's mass distribution uncovered through lensing and dynamics

Aaron A. Dutton, Glenn van de Ven, Wilma H. Trick

arxiv:1609.05477 v1 · 2016-09-18 · 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{A5SV3G6SFN2GLTR2TJYUPGNRAI}

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	2026-05-18T01:03:48.233702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07655d9bd22b7465ce3a9a714799b1021f215efb5ef04e68a612e4453cf2c13a

Aliases

arxiv: 1609.05477 · arxiv_version: 1609.05477v1 · doi: 10.48550/arxiv.1609.05477 · pith_short_12: A5SV3G6SFN2G · pith_short_16: A5SV3G6SFN2GLTR2 · pith_short_8: A5SV3G6S

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/A5SV3G6SFN2GLTR2TJYUPGNRAI \
  | 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: 07655d9bd22b7465ce3a9a714799b1021f215efb5ef04e68a612e4453cf2c13a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c2905ddcd733bb44c4f12f414020a5fc5a4184318f22fd03bab30fcb8241473",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-09-18T12:31:22Z",
    "title_canon_sha256": "8c1343e24211561b50d1648ac1bf71f3af08fb79a680e1fcb459bdf40014f00a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.05477",
    "kind": "arxiv",
    "version": 1
  }
}