Pith Number

pith:GR7A7V2T

pith:2022:GR7A7V2TGVNTI462QAX25GQ742

not attested not anchored not stored refs pending

OmniUV: A Multi-Purpose Simulation Toolkit for VLBI Observation

Jian Fu, Lei Liu, Weimin Zheng, Zhijun Xu

arxiv:2201.03797 v2 · 2022-01-11 · 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{GR7A7V2TGVNTI462QAX25GQ742}

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.

Cited by

1 paper in Pith

Shaving off soft hairs and the black hole image memory effect

Receipt and verification

First computed	2026-07-05T04:45:14.904595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

347e0fd753355b3473da802fae9a1fe6ab11eb513e917e3cbfc26ecb3627be25

Aliases

arxiv: 2201.03797 · arxiv_version: 2201.03797v2 · doi: 10.48550/arxiv.2201.03797 · pith_short_12: GR7A7V2TGVNT · pith_short_16: GR7A7V2TGVNTI462 · pith_short_8: GR7A7V2T

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/GR7A7V2TGVNTI462QAX25GQ742 \
  | 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: 347e0fd753355b3473da802fae9a1fe6ab11eb513e917e3cbfc26ecb3627be25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d717c31022d382be81e65bc5c752187678493469dafbb6c1b34237aa02d4e88",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-01-11T06:15:28Z",
    "title_canon_sha256": "c8989fe4ffbf3f4686b0e5d57c79cb1185201a3486f56ebb3f8012cc2ca5d61b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.03797",
    "kind": "arxiv",
    "version": 2
  }
}