Pith Number

pith:XG3ZRSNO

pith:2021:XG3ZRSNOKQ3UYLLK3DFLZLGSC4

not attested not anchored not stored refs pending

VOLKS2: a transient search and localization pipeline for VLBI observations

Lei Liu, Weimin Zheng, Yidan Huang, Zhen Yan, Zhijun Xu, Zhong Chen

arxiv:2108.05602 v2 · 2021-08-12 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XG3ZRSNOKQ3UYLLK3DFLZLGSC4}

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	2026-07-05T03:18:21.560232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9b798c9ae54374c2d6ad8cabcacd21737e91b0e40d24e7520972b7b7adbc957

Aliases

arxiv: 2108.05602 · arxiv_version: 2108.05602v2 · doi: 10.48550/arxiv.2108.05602 · pith_short_12: XG3ZRSNOKQ3U · pith_short_16: XG3ZRSNOKQ3UYLLK · pith_short_8: XG3ZRSNO

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/XG3ZRSNOKQ3UYLLK3DFLZLGSC4 \
  | 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: b9b798c9ae54374c2d6ad8cabcacd21737e91b0e40d24e7520972b7b7adbc957

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d20a08184618c516bee6f450a4334a108b508f746f5e2ee3da7d03e36db2071",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-08-12T08:45:57Z",
    "title_canon_sha256": "a9183e2ef0674d2e1af1576c85db875cd93d326dc5def1d9d4dc67900785e102"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.05602",
    "kind": "arxiv",
    "version": 2
  }
}