Pith Number

pith:NLTRKIQQ

pith:2013:NLTRKIQQRCWXIDL6TJ54GYKCJN

not attested not anchored not stored refs pending

The interstellar medium and the massive stellar content toward the SNR G18.1-0.1 and neighboring HII regions

A. Pichel, J. F. Albacete Colombo, M. E. Ortega, S. Paron, W. Weidmann

arxiv:1305.2354 v1 · 2013-05-10 · 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{NLTRKIQQRCWXIDL6TJ54GYKCJN}

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	2026-05-18T01:50:03.654678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ae715221088ad740d7e9a7bc361424b43ac544692d986c8515b30ae39753311

Aliases

arxiv: 1305.2354 · arxiv_version: 1305.2354v1 · doi: 10.48550/arxiv.1305.2354 · pith_short_12: NLTRKIQQRCWX · pith_short_16: NLTRKIQQRCWXIDL6 · pith_short_8: NLTRKIQQ

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/NLTRKIQQRCWXIDL6TJ54GYKCJN \
  | 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: 6ae715221088ad740d7e9a7bc361424b43ac544692d986c8515b30ae39753311

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9a03e5ed6c41f3b1101a6dc6a3752ea4b3d8d3b05b7da735d076336f7b8062e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-05-10T14:40:06Z",
    "title_canon_sha256": "797eca395fc40c5a4b00b20c9e9108374b38232fdb945e095d782303ac05a7ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2354",
    "kind": "arxiv",
    "version": 1
  }
}