Pith Number

pith:DHAZSL2Z

pith:2015:DHAZSL2ZGAG6MXH75B3QMG5S7B

not attested not anchored not stored refs pending

An infrared study of local galaxy mergers

Alfredo Carpineti, Ashley K. Hyde, Chris J. Lintott, Daniel Darg, David L. Clements, Kevin Schawinski, Sugata Kaviraj

arxiv:1503.07877 v1 · 2015-03-26 · 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{DHAZSL2ZGAG6MXH75B3QMG5S7B}

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	2026-05-18T02:14:16.505687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19c1992f59300de65cffe877061bb2f870dcd07515743f34276ce601e0a87914

Aliases

arxiv: 1503.07877 · arxiv_version: 1503.07877v1 · doi: 10.48550/arxiv.1503.07877 · pith_short_12: DHAZSL2ZGAG6 · pith_short_16: DHAZSL2ZGAG6MXH7 · pith_short_8: DHAZSL2Z

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/DHAZSL2ZGAG6MXH75B3QMG5S7B \
  | 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: 19c1992f59300de65cffe877061bb2f870dcd07515743f34276ce601e0a87914

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc9f904c68e2ba4145fd4677a0c14670458a1c0552da62d2cda68065ba8f82f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-03-26T20:00:44Z",
    "title_canon_sha256": "8c8cf0b837b6cd819c57f14bf4fa6c9adc92e45c9a0cb331eeff306b5491a6bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.07877",
    "kind": "arxiv",
    "version": 1
  }
}