Pith Number

pith:E5U2WO3P

pith:2016:E5U2WO3PA26QTFYUPIWHNAMOGK

not attested not anchored not stored refs pending

Constraining the escape fraction of ionizing photons from HII regions within NGC 300: A concept paper

Barbara Ercolano, Florian Niederhofer, Michael Hilker, Nate Bastian

arxiv:1606.01144 v1 · 2016-06-03 · astro-ph.SR · 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{E5U2WO3PA26QTFYUPIWHNAMOGK}

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	2026-05-18T01:10:02.603291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2769ab3b6f06bd0997147a2c76818e329b8799a2f51e9a4b187154d540d35163

Aliases

arxiv: 1606.01144 · arxiv_version: 1606.01144v1 · doi: 10.48550/arxiv.1606.01144 · pith_short_12: E5U2WO3PA26Q · pith_short_16: E5U2WO3PA26QTFYU · pith_short_8: E5U2WO3P

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/E5U2WO3PA26QTFYUPIWHNAMOGK \
  | 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: 2769ab3b6f06bd0997147a2c76818e329b8799a2f51e9a4b187154d540d35163

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61dcf6cb7a35274a5d6578b4c32a954d97ac4b8f4d66b20a770d05c14b6409d3",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-06-03T15:37:08Z",
    "title_canon_sha256": "8cadcc16e4a66c54179d8682ca674e2a1e0bed1d966c5aaf9f0fdfe41bfc79c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.01144",
    "kind": "arxiv",
    "version": 1
  }
}