Pith Number

pith:PKAM5RE4

pith:2026:PKAM5RE47GBNURI6IRUJQ6EDG3

not attested not anchored not stored refs pending

Radial Stellar Age Gradients in 42 Local Volume Dwarf Galaxies

Andrew E. Dolphin, Kristen B. W. McQuinn, Laura Congreve Hunter, Liese van Zee, O. Grace Telford, Roger E. Cohen, Suchindram Dasgupta

arxiv:2608.07671 v1 · 2026-08-07 · 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{PKAM5RE47GBNURI6IRUJQ6EDG3}

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	2026-08-11T00:15:40.008485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a80cec49cf982da451e446898788336ca63ba62f6142684cee339c28d51738b

Aliases

arxiv: 2608.07671 · arxiv_version: 2608.07671v1 · doi: 10.48550/arxiv.2608.07671 · pith_short_12: PKAM5RE47GBN · pith_short_16: PKAM5RE47GBNURI6 · pith_short_8: PKAM5RE4

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/PKAM5RE47GBNURI6IRUJQ6EDG3 \
  | 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: 7a80cec49cf982da451e446898788336ca63ba62f6142684cee339c28d51738b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e9c21cb58105bc0086642bedcf24b990b37deda6ff051c573e3bf2c3c8d18c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-08-07T18:00:26Z",
    "title_canon_sha256": "521fc3d572238bc96aaff9ea8a0035691d8df031e60f6beb9ea2534d0a26e132"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.07671",
    "kind": "arxiv",
    "version": 1
  }
}