Pith Number

pith:WLTXU5I6

pith:2019:WLTXU5I67LN3TL6KPGOTPWZQPU

not attested not anchored not stored refs pending

Spatially resolved stellar mass buildup and quenching in massive disk galaxies over the last 10 Gyr revealed with spatially resolved SED fitting

Abdurro'uf, Masayuki Akiyama

arxiv:1902.07712 v1 · 2019-02-20 · 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{WLTXU5I67LN3TL6KPGOTPWZQPU}

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	2026-05-17T23:53:04.023216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2e77a751efadbb9afca799d37db307d08782638a7a90ca97e995268ff50a76b

Aliases

arxiv: 1902.07712 · arxiv_version: 1902.07712v1 · doi: 10.48550/arxiv.1902.07712 · pith_short_12: WLTXU5I67LN3 · pith_short_16: WLTXU5I67LN3TL6K · pith_short_8: WLTXU5I6

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/WLTXU5I67LN3TL6KPGOTPWZQPU \
  | 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: b2e77a751efadbb9afca799d37db307d08782638a7a90ca97e995268ff50a76b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef879aa0810ef0f7808d3fe3f37af9fb580021a5dc54d1b38ace02df18433e2e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-20T14:59:34Z",
    "title_canon_sha256": "a294fe9e04198ffc3080f2b8b719cf7aa8869a94258a6fe8b241d0dfd02b6aed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07712",
    "kind": "arxiv",
    "version": 1
  }
}