Pith Number

pith:ZKOM2LJH

pith:2013:ZKOM2LJHDQ72XW43EPEY4USSH6

not attested not anchored not stored refs pending

ISM Processing in the Inner 20 pc in Galactic center

Ai-Lei Sun, Hauyu Baobab Liu, Melvyn C. H. Wright, Paul T.-P. Ho, Pei-Ying Hsieh, Sungsoo S. Kim, Young Chol Minh, Yu-Nung Su

arxiv:1304.7573 v1 · 2013-04-29 · 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{ZKOM2LJHDQ72XW43EPEY4USSH6}

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	2026-05-18T01:50:14.803049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca9ccd2d271c3fabdb9b23c98e52523fa45eb8d447131162191126052dba5b1f

Aliases

arxiv: 1304.7573 · arxiv_version: 1304.7573v1 · doi: 10.48550/arxiv.1304.7573 · pith_short_12: ZKOM2LJHDQ72 · pith_short_16: ZKOM2LJHDQ72XW43 · pith_short_8: ZKOM2LJH

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/ZKOM2LJHDQ72XW43EPEY4USSH6 \
  | 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: ca9ccd2d271c3fabdb9b23c98e52523fa45eb8d447131162191126052dba5b1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52223cce755fd649cd302eab16281eb6e6d6560d66cea9e9d13fb18181348535",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-04-29T06:48:42Z",
    "title_canon_sha256": "394be0495108916e8f770c05a24860ee01889d16623707fb73dda9c847798def"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7573",
    "kind": "arxiv",
    "version": 1
  }
}