Pith Number

pith:4LI3ZX6P

pith:2021:4LI3ZX6PORJVYSSSVGLF5UODFG

not attested not anchored not stored refs pending

Is the recently discovered large scale filamentary feature Cattail in the cold or unstable phase?

Alex Lazarian, Avi Chen, Ka Ho Yuen, Ka Wai Ho

arxiv:2112.02411 v1 · 2021-12-04 · 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{4LI3ZX6PORJVYSSSVGLF5UODFG}

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	2026-07-05T03:37:52.433719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2d1bcdfcf74535c4a52a9965ed1c3298ccc4b2157f5c76bb4721b5f6f909a0a

Aliases

arxiv: 2112.02411 · arxiv_version: 2112.02411v1 · doi: 10.48550/arxiv.2112.02411 · pith_short_12: 4LI3ZX6PORJV · pith_short_16: 4LI3ZX6PORJVYSSS · pith_short_8: 4LI3ZX6P

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/4LI3ZX6PORJVYSSSVGLF5UODFG \
  | 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: e2d1bcdfcf74535c4a52a9965ed1c3298ccc4b2157f5c76bb4721b5f6f909a0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7089cf35016d5516e6c09062c8a10f8bccb054abc3bc38b26e39fba155eac65f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-12-04T19:42:07Z",
    "title_canon_sha256": "d3b9a574378219b633d90b6043dcf1212f0a7dbe122ad857a6902efd7e377df3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.02411",
    "kind": "arxiv",
    "version": 1
  }
}