Pith Number

pith:22MX3JRA

pith:2025:22MX3JRAVRGZXCJFBCQFVYRWEJ

not attested not anchored not stored refs pending

Tracking X-ray Variability in Next Generation EHT LLAGN Targets

Chi-kwan Chan, Daryl Haggard, Dhanya G. Nair, Kristen Dage, Michael Nowak, Nicole M. Ford, Venkatessh Ramakrishnan

arxiv:2501.14871 v2 · 2025-01-24 · 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{22MX3JRAVRGZXCJFBCQFVYRWEJ}

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	2026-07-05T10:31:01.005845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6997da620ac4d9b892508a05ae2362248f902d2f64ec8c56fba585b6571bd6d

Aliases

arxiv: 2501.14871 · arxiv_version: 2501.14871v2 · doi: 10.48550/arxiv.2501.14871 · pith_short_12: 22MX3JRAVRGZ · pith_short_16: 22MX3JRAVRGZXCJF · pith_short_8: 22MX3JRA

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/22MX3JRAVRGZXCJFBCQFVYRWEJ \
  | 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: d6997da620ac4d9b892508a05ae2362248f902d2f64ec8c56fba585b6571bd6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b4585cca09f4cd465d40eefffbd46107108360899731d8b6f02c2300c8e3447",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-01-24T19:00:39Z",
    "title_canon_sha256": "9b2581da6c04a664c5d5c6542e5b08a2f5e9363b8710539d11ff80d480c90ce9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.14871",
    "kind": "arxiv",
    "version": 2
  }
}