Pith Number

pith:D73TZSTA

pith:2016:D73TZSTADPPACBNKG7JP5HGIFT

not attested not anchored not stored refs pending

Is the vast polar structure of dwarf galaxies a serious problem for lambda cold dark matter?

Andrew Lipnicky, Sukanya Chakrabarti

arxiv:1612.07325 v2 · 2016-12-21 · 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{D73TZSTADPPACBNKG7JP5HGIFT}

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	2026-05-18T00:48:53.530708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ff73cca601bde0105aa37d2fe9cc82cd7cdfd3bffc6bc3ba60e747e757e4ee9

Aliases

arxiv: 1612.07325 · arxiv_version: 1612.07325v2 · doi: 10.48550/arxiv.1612.07325 · pith_short_12: D73TZSTADPPA · pith_short_16: D73TZSTADPPACBNK · pith_short_8: D73TZSTA

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/D73TZSTADPPACBNKG7JP5HGIFT \
  | 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: 1ff73cca601bde0105aa37d2fe9cc82cd7cdfd3bffc6bc3ba60e747e757e4ee9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f92fb6df57369a70bd12a092c5f1187a4b6bd4ea2fdb0741a8151780df7db6cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-12-21T21:00:03Z",
    "title_canon_sha256": "f0e7b09050db2fcf779e7cf3ecf1c77a41b1bd705592fbeafeb171549b0483b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07325",
    "kind": "arxiv",
    "version": 2
  }
}