Pith Number

pith:YTZCBNPC

pith:2026:YTZCBNPCDC4AIDWODNNUKA6DLA

not attested not anchored not stored refs pending

First Observational Evidence for Split Infall Flow of Cosmic Filaments into Clusters

Haojie Xu, Huanyuan Shan, Jiale Zhou, Jiaxin Han, Ji Yao, Pengjie Zhang, Peng Wang, Xiaohu Yang

arxiv:2601.18434 v2 · 2026-01-26 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YTZCBNPCDC4AIDWODNNUKA6DLA}

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	2026-06-25T01:18:36.594245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4f220b5e218b8040ece1b5b4503c3582b74099d00b5ebd95ab8c915206c45e7

Aliases

arxiv: 2601.18434 · arxiv_version: 2601.18434v2 · doi: 10.48550/arxiv.2601.18434 · pith_short_12: YTZCBNPCDC4A · pith_short_16: YTZCBNPCDC4AIDWO · pith_short_8: YTZCBNPC

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/YTZCBNPCDC4AIDWODNNUKA6DLA \
  | 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: c4f220b5e218b8040ece1b5b4503c3582b74099d00b5ebd95ab8c915206c45e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1783c88adc8fff08e876371e74877010a061582caf23421be2fd56f163602d7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-01-26T12:49:28Z",
    "title_canon_sha256": "d97e0a4aaa3a80d5c70f97d000ae84433dbb78e265210050a7feee407ea497e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.18434",
    "kind": "arxiv",
    "version": 2
  }
}