Pith Number

pith:LP5ZXVKM

pith:2022:LP5ZXVKMQQLQMROQXIY5NHY6UE

not attested not anchored not stored refs pending

Applications of the source-frequency phase-referencing technique for ngEHT observations

Guang-Yao Zhao, Ilje Cho, Mar\'ia Rioja, Marshall Eubanks, Richard Dodson, Ru-Sen Lu, Shan-Shan Zhao, Wu Jiang, Zhi-Qiang Shen

arxiv:2212.08994 v1 · 2022-12-18 · astro-ph.IM · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LP5ZXVKMQQLQMROQXIY5NHY6UE}

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	2026-07-05T05:26:16.786681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bfb9bd54c84170645d0ba31d69f1ea1187a98288ecd7d225c0d159e9b8d3f94

Aliases

arxiv: 2212.08994 · arxiv_version: 2212.08994v1 · doi: 10.48550/arxiv.2212.08994 · pith_short_12: LP5ZXVKMQQLQ · pith_short_16: LP5ZXVKMQQLQMROQ · pith_short_8: LP5ZXVKM

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/LP5ZXVKMQQLQMROQXIY5NHY6UE \
  | 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: 5bfb9bd54c84170645d0ba31d69f1ea1187a98288ecd7d225c0d159e9b8d3f94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "feab2abd186d31d38078eb323cb7f65a6255d02e05cce4bea7641c4efd51dff5",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-12-18T02:44:41Z",
    "title_canon_sha256": "38a17bddc089bda1b534f2e5a1974ef8d1fa2e19700620cbd196f9d33990db92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.08994",
    "kind": "arxiv",
    "version": 1
  }
}