Pith Number

pith:5AZ4D2MW

pith:2015:5AZ4D2MWHWSKVOUFTPF2OF46SK

not attested not anchored not stored refs pending

A Multiwavelength Study of Tadpole Galaxies in the Hubble Ultra Deep Field

Amber N. Straughn, Duilia de Mello, Elysse N. Voyer, Emmaris Soto, Jonathan P. Gardner, Rafael T. Eufrasio, Sara Petty, Susan Kassin, Swara Ravindranath

arxiv:1510.07040 v1 · 2015-10-23 · 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{5AZ4D2MWHWSKVOUFTPF2OF46SK}

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	2026-05-18T01:29:20.233084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e833c1e9963da4aaba859bcba7179e92a4857e84a734181912f3a37b4bfb88db

Aliases

arxiv: 1510.07040 · arxiv_version: 1510.07040v1 · doi: 10.48550/arxiv.1510.07040 · pith_short_12: 5AZ4D2MWHWSK · pith_short_16: 5AZ4D2MWHWSKVOUF · pith_short_8: 5AZ4D2MW

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/5AZ4D2MWHWSKVOUFTPF2OF46SK \
  | 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: e833c1e9963da4aaba859bcba7179e92a4857e84a734181912f3a37b4bfb88db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32d23cf84c32a8b3b1ce550949884dd3613cf5b28b90ee035f9791407c15ccb7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-10-23T20:03:46Z",
    "title_canon_sha256": "016e6f9f73651ddd85e67b9a41aebe1bac064b07e7e733143ae309a78625db59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.07040",
    "kind": "arxiv",
    "version": 1
  }
}