Pith Number

pith:C5JRB6UF

pith:2015:C5JRB6UFS6RG4BLLCBVENI5T2Z

not attested not anchored not stored refs pending

Resolving Ionisation and Metallicity on Parsec Scales Across Mrk 71 with HST-WFC3

Alessandra Aloisi, Bethan L. James, Daniela Calzetti, Lisa Kewley, Matthew Auger

arxiv:1510.02447 v2 · 2015-10-08 · 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{C5JRB6UFS6RG4BLLCBVENI5T2Z}

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	2026-05-18T01:23:02.928873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

175310fa8597a26e056b106a46a3b3d67434d6ed639e7f853c5a524c4a85c6cb

Aliases

arxiv: 1510.02447 · arxiv_version: 1510.02447v2 · doi: 10.48550/arxiv.1510.02447 · pith_short_12: C5JRB6UFS6RG · pith_short_16: C5JRB6UFS6RG4BLL · pith_short_8: C5JRB6UF

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/C5JRB6UFS6RG4BLLCBVENI5T2Z \
  | 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: 175310fa8597a26e056b106a46a3b3d67434d6ed639e7f853c5a524c4a85c6cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fae90deea74a28c785fb1c377673c91f6ceb6e00315aa131581f444d5ff3441",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-10-08T19:02:27Z",
    "title_canon_sha256": "83c82bd4579b1a0e025e0f966c7a3b9f52d39eec8a8d7295dc4c22c7e9701cff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.02447",
    "kind": "arxiv",
    "version": 2
  }
}