Pith Number

pith:GZP2MLTK

pith:2015:GZP2MLTKXNJNP6QMLXINYKIWDP

not attested not anchored not stored refs pending

Hubble Tarantula Treasury Project. IV. The extinction law

Alessandra Aloisi, Daniel Lennon, Dennis Zaritsky, Dimitrios Gouliermis, Elena Sabbi, Eva K. Grebel, Guido De Marchi, Jay Anderson, Michele Cignoni, Nino Panagia, Peter Zeidler, Roeland van der Marel, Soeren Larsen

arxiv:1510.08436 v2 · 2015-10-28 · astro-ph.SR · 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{GZP2MLTKXNJNP6QMLXINYKIWDP}

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	2026-05-18T01:20:09.182648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

365fa62e6abb52d7fa0c5dd0dc29161bee4a8a0ca2a218ec5ec5600da02e0ac4

Aliases

arxiv: 1510.08436 · arxiv_version: 1510.08436v2 · doi: 10.48550/arxiv.1510.08436 · pith_short_12: GZP2MLTKXNJN · pith_short_16: GZP2MLTKXNJNP6QM · pith_short_8: GZP2MLTK

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/GZP2MLTKXNJNP6QMLXINYKIWDP \
  | 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: 365fa62e6abb52d7fa0c5dd0dc29161bee4a8a0ca2a218ec5ec5600da02e0ac4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e9cb8c6b4009962cd250be69db87728b61ec4063be8dfce3a9910f67b82f8d2",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-10-28T19:56:21Z",
    "title_canon_sha256": "8f919def84a834f20af0bbcb0239f13e14499940ab3c3bd6f00928add3894890"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08436",
    "kind": "arxiv",
    "version": 2
  }
}