Pith Number

pith:XJBJH4XK

pith:2009:XJBJH4XKRIZ776VQQGZHHBHLA3

not attested not anchored not stored refs pending

Maser emission from SiO isotopologues traces the innermost 100 AU around Radio Source I in Orion BN/KL

C. Goddi, C. J. Chandler, E. M. L. Humphreys, L. D. Matthews, L. J. Greenhill, M.D. Gray

arxiv:0904.1373 v1 · 2009-04-08 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XJBJH4XKRIZ776VQQGZHHBHLA3}

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	2026-05-18T04:29:43.696843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba4293f2ea8a33fffab081b27384eb06fce3b8387d1e446a30b9f788d598408c

Aliases

arxiv: 0904.1373 · arxiv_version: 0904.1373v1 · doi: 10.48550/arxiv.0904.1373 · pith_short_12: XJBJH4XKRIZ7 · pith_short_16: XJBJH4XKRIZ776VQ · pith_short_8: XJBJH4XK

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/XJBJH4XKRIZ776VQQGZHHBHLA3 \
  | 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: ba4293f2ea8a33fffab081b27384eb06fce3b8387d1e446a30b9f788d598408c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7ec0c2bb04b2c89608c6d9e08c8b21f9d605c86888ec4c37b9038704ef26364",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-04-08T19:22:25Z",
    "title_canon_sha256": "87f4f5bf87c1845ccfb31663a76787844da904b6110df2f201a8f502005b9a4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1373",
    "kind": "arxiv",
    "version": 1
  }
}