Pith Number

pith:Y6GTGDUI

pith:2015:Y6GTGDUIZUHJRKZFV7TDBLW357

not attested not anchored not stored refs pending

CALIFA Spectroscopy of the Interacting Galaxy NGC 5394 (Arp 84): Starbursts, Enhanced [NII]6584 and Signs of Outflows and Shocks

Andrew Humphrey, Jean Michel Gomes, Nathan Roche, Patricio Lagos, Polychronis Papaderos, Sebastian F. Sanchez

arxiv:1507.07150 v2 · 2015-07-25 · 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{Y6GTGDUIZUHJRKZFV7TDBLW357}

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	2026-05-18T01:32:59.673753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c78d330e88cd0e98ab25afe630aedbefd76989f5e794c3cc20a32d8fa5c7d52a

Aliases

arxiv: 1507.07150 · arxiv_version: 1507.07150v2 · doi: 10.48550/arxiv.1507.07150 · pith_short_12: Y6GTGDUIZUHJ · pith_short_16: Y6GTGDUIZUHJRKZF · pith_short_8: Y6GTGDUI

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/Y6GTGDUIZUHJRKZFV7TDBLW357 \
  | 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: c78d330e88cd0e98ab25afe630aedbefd76989f5e794c3cc20a32d8fa5c7d52a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d24d51928340301f770de46dd88913a0a8dca7150f1f553303137c9c44144c88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-07-25T23:27:10Z",
    "title_canon_sha256": "c4d4c2218c747dc98aa0248b6275b96aa56f379901e08b95425ceaf248ccdd8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07150",
    "kind": "arxiv",
    "version": 2
  }
}