Pith Number

pith:7BPCTG3R

pith:2014:7BPCTG3RUF3LYIC43PFVJM5EFF

not attested not anchored not stored refs pending

The shock-induced star formation sequence resulting from a constant spiral pattern speed

Eric E. Mart\'inez-Garc\'ia, Iv\^anio Puerari

arxiv:1406.4561 v1 · 2014-06-18 · 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{7BPCTG3RUF3LYIC43PFVJM5EFF}

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	2026-05-18T01:42:55.561691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f85e299b71a176bc205cdbcb54b3a42947420beaa250fc5ac05e33721c198f38

Aliases

arxiv: 1406.4561 · arxiv_version: 1406.4561v1 · doi: 10.48550/arxiv.1406.4561 · pith_short_12: 7BPCTG3RUF3L · pith_short_16: 7BPCTG3RUF3LYIC4 · pith_short_8: 7BPCTG3R

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/7BPCTG3RUF3LYIC43PFVJM5EFF \
  | 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: f85e299b71a176bc205cdbcb54b3a42947420beaa250fc5ac05e33721c198f38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "addf35dc17737e2c00552fa03ec021f62ba2f048bdc274c64e9c4b3c9af0585b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-06-18T00:16:00Z",
    "title_canon_sha256": "5f55d11dab6abc69a28b12410cd2d43e4c292114ae59a4993f57c7dfae54671d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.4561",
    "kind": "arxiv",
    "version": 1
  }
}