Pith Number

pith:HOBJF3HD

pith:2016:HOBJF3HDX4DMPCAQDW7ZELJFXI

not attested not anchored not stored refs pending

High-Resolution Mapping of Dust via Extinction in the M31 Bulge

Abhijit Saha (NOAO), Amherst, Brent A. Groves (MPIA), Hui Dong (IAA-CSIC, Julianne J. Dalcanton (University of Washington, Knut A. G. Olsen (NOAO), Nanjing University), NOAO), Q. D. Wang (Umass, Seattle), Tod R. Lauer (NOAO), Zhiyuan Li (Nanjing University)

arxiv:1603.09637 v3 · 2016-03-31 · 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{HOBJF3HDX4DMPCAQDW7ZELJFXI}

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	2026-05-18T01:16:39.202802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b8292ece3bf06c788101dbf922d25ba10abe48fa7f9b2fe882cf981d7bf7491

Aliases

arxiv: 1603.09637 · arxiv_version: 1603.09637v3 · doi: 10.48550/arxiv.1603.09637 · pith_short_12: HOBJF3HDX4DM · pith_short_16: HOBJF3HDX4DMPCAQ · pith_short_8: HOBJF3HD

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/HOBJF3HDX4DMPCAQDW7ZELJFXI \
  | 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: 3b8292ece3bf06c788101dbf922d25ba10abe48fa7f9b2fe882cf981d7bf7491

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14e274f85acb633b047aab0c4d0a05b9fc246ccea2925a0563ba7156c852de15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-03-31T15:27:39Z",
    "title_canon_sha256": "ee30e1464c65d5f5c9cfa6cc65fb1ceb109e457a75c111723cb26171c5aa8c59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.09637",
    "kind": "arxiv",
    "version": 3
  }
}