Pith Number

pith:WWJFGGF2

pith:2025:WWJFGGF2TO6TJSXMCPQGVQ5A72

not attested not anchored not stored refs pending

Enhanced imaging of M87*: Simulations with the EHT and extended-KVN

Aeree Chung, Andrew Chael, Bong Won Sohn, Dominic W. Pesce, Do-Young Byun, Freek Roelofs, Ilje Cho, Jae-Young Kim, Jongho Park, Jongsoo Kim, Jose L. Gomez, Junhan Kim, Keiichi Asada, Lindy Blackburn, Sang-Sung Lee, Sara Issaoun, Sascha Trippe, Sheperd S. Doeleman, Taehyun Jung

arxiv:2501.11822 v1 · 2025-01-21 · astro-ph.IM · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WWJFGGF2TO6TJSXMCPQGVQ5A72}

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	2026-07-05T10:03:14.294251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5925318ba9bbd34caec13e06ac3a0fe8a5b1e53e390409dd9c6dd6407cafc10

Aliases

arxiv: 2501.11822 · arxiv_version: 2501.11822v1 · doi: 10.48550/arxiv.2501.11822 · pith_short_12: WWJFGGF2TO6T · pith_short_16: WWJFGGF2TO6TJSXM · pith_short_8: WWJFGGF2

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/WWJFGGF2TO6TJSXMCPQGVQ5A72 \
  | 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: b5925318ba9bbd34caec13e06ac3a0fe8a5b1e53e390409dd9c6dd6407cafc10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bed272cadd619d5c41f9432c9b0dabb40442c5a3a0699e35b537c463b06aabc2",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-01-21T02:01:09Z",
    "title_canon_sha256": "8282179efa59c07d26437c49e602b732c92c062a0dfe6503d5557a78e2ddf107"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.11822",
    "kind": "arxiv",
    "version": 1
  }
}