Pith Number

pith:AYSI73FT

pith:2021:AYSI73FTLSMO6HMKRYNVHGDVH2

not attested not anchored not stored refs pending

Reaching for the Edge I: Probing the Outskirts of Massive Galaxies with HSC, DECaLS, SDSS, and Dragonfly

Alexie Leauthaud, Deborah Lokhorst, Erin Kado-Fong, Felipe Ardila, Jenny E. Greene, Jiaxuan Li, John Moustakas, Paul Price, Robert Lupton, Roberto Abraham, Shany Danieli, Song Huang

arxiv:2111.03557 v1 · 2021-11-05 · 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{AYSI73FTLSMO6HMKRYNVHGDVH2}

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	2026-07-05T04:48:37.946188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06248fecb35c98ef1d8a8e1b5398753e974e42beaa69819ec40b5635daf88845

Aliases

arxiv: 2111.03557 · arxiv_version: 2111.03557v1 · doi: 10.48550/arxiv.2111.03557 · pith_short_12: AYSI73FTLSMO · pith_short_16: AYSI73FTLSMO6HMK · pith_short_8: AYSI73FT

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/AYSI73FTLSMO6HMKRYNVHGDVH2 \
  | 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: 06248fecb35c98ef1d8a8e1b5398753e974e42beaa69819ec40b5635daf88845

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c19933d22d3a589336da8320ab9f20c7d9c6524a5654ec03a47c4dc021fea873",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-11-05T15:23:41Z",
    "title_canon_sha256": "e83b19e74546ce52976e55b7408df4609028e6615859d7b4de1985f1a4d44f37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.03557",
    "kind": "arxiv",
    "version": 1
  }
}