Pith Number

pith:4EERWHIH

pith:2021:4EERWHIHOI5IBGOQFKKIS4TDH5

not attested not anchored not stored refs pending

Galactic Mass Estimates using Dwarf Galaxies as Kinematic Tracers

Andrew Wetzel, Anika Slizewski, Gwendolyn Eadie, Keslen Murdock, Mario Juric, Robyn Sanderson, Xander Dufresne

arxiv:2108.12474 v1 · 2021-08-27 · 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{4EERWHIHOI5IBGOQFKKIS4TDH5}

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	2026-07-05T03:51:32.417276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1091b1d07723a8099d02a948972633f49d816ac2fbad80f4fb71eb7deffee51

Aliases

arxiv: 2108.12474 · arxiv_version: 2108.12474v1 · doi: 10.48550/arxiv.2108.12474 · pith_short_12: 4EERWHIHOI5I · pith_short_16: 4EERWHIHOI5IBGOQ · pith_short_8: 4EERWHIH

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/4EERWHIHOI5IBGOQFKKIS4TDH5 \
  | 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: e1091b1d07723a8099d02a948972633f49d816ac2fbad80f4fb71eb7deffee51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ea4a8464cb043b7739d7bcf5fea535d975fca9787d1ed696b5f7bd836ebf301",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-08-27T19:44:51Z",
    "title_canon_sha256": "1ad9643837c95826b083da28812ccb4513c29a7282eb47ba8d98d1e4e56302bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.12474",
    "kind": "arxiv",
    "version": 1
  }
}