Pith Number

pith:7ALUA4K2

pith:2016:7ALUA4K2HTFMHWWUWZHA7D6XFO

not attested not anchored not stored refs pending

Multi-epoch Spectroscopy of Dwarf Galaxies with AGN Signatures: Identifying Sources with Persistent Broad H-alpha Emission

Amy E. Reines, Christopher M. Carroll, Elena Gallo, Jenny E. Greene, Kevin Hainline, Marla Geha, Or Graur, Ryan C. Hickox, Vivienne F. Baldassare

arxiv:1605.05731 v2 · 2016-05-18 · astro-ph.GA · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ALUA4K2HTFMHWWUWZHA7D6XFO}

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	2026-05-18T01:03:18.941267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f81740715a3ccac3dad4b64e0f8fd72bb6a5f35051ff9202e76a66f98f872cc0

Aliases

arxiv: 1605.05731 · arxiv_version: 1605.05731v2 · doi: 10.48550/arxiv.1605.05731 · pith_short_12: 7ALUA4K2HTFM · pith_short_16: 7ALUA4K2HTFMHWWU · pith_short_8: 7ALUA4K2

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/7ALUA4K2HTFMHWWUWZHA7D6XFO \
  | 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: f81740715a3ccac3dad4b64e0f8fd72bb6a5f35051ff9202e76a66f98f872cc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bebbb102142f3d5f8c6a6b68f70951ffeec4ed2d2b0cb202730092402ac5c73c",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-05-18T20:00:03Z",
    "title_canon_sha256": "8b0b333ee4a8c07feab45375eba177eecd22ed08decb9927c6d827cc8f2f5e68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.05731",
    "kind": "arxiv",
    "version": 2
  }
}