Pith Number

pith:YGD7TJHS

pith:2014:YGD7TJHSSJEPTQZT76KGHL4NBL

not attested not anchored not stored refs pending

A low HI column density filament in NGC 2403: signature of interaction or accretion

A. Leroy, D.J. Pisano, E. Brinks, F. Bigiel, F. Fraternali, F. Walter, Katie M. Keating, T. Oosterloo, W.J.G. de Blok

arxiv:1407.3648 v1 · 2014-07-14 · 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{YGD7TJHSSJEPTQZT76KGHL4NBL}

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	2026-05-18T02:41:24.437447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c187f9a4f29248f9c333ff9463af8d0af4da5bc3c954a27e77dba4e526b12007

Aliases

arxiv: 1407.3648 · arxiv_version: 1407.3648v1 · doi: 10.48550/arxiv.1407.3648 · pith_short_12: YGD7TJHSSJEP · pith_short_16: YGD7TJHSSJEPTQZT · pith_short_8: YGD7TJHS

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/YGD7TJHSSJEPTQZT76KGHL4NBL \
  | 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: c187f9a4f29248f9c333ff9463af8d0af4da5bc3c954a27e77dba4e526b12007

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c56215f89a79eafbd08dfed86c78a17028d0f744147d26d72b7ba0920de8afe4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-07-14T13:41:00Z",
    "title_canon_sha256": "13bb91a0d468a7cdb1c279cbdfebb749c61d143a0cde8083c929f74a50df685b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.3648",
    "kind": "arxiv",
    "version": 1
  }
}