Pith Number

pith:J2IYMEM4

pith:2015:J2IYMEM4GR6A2EWOXUPGNZM3EL

not attested not anchored not stored refs pending

The Power of Simultaneous Multi-Frequency Observations for mm-VLBI: Astrometry up to 130 GHz with the KVN

Bong Won Sohn, Maria J. Rioja, Richard Dodson, Taehyun Jung

arxiv:1509.02621 v2 · 2015-09-09 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J2IYMEM4GR6A2EWOXUPGNZM3EL}

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	2026-05-18T01:23:55.490420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e9186119c347c0d12cebd1e66e59b22c3b3ee9692555d453008119ad7dff016

Aliases

arxiv: 1509.02621 · arxiv_version: 1509.02621v2 · doi: 10.48550/arxiv.1509.02621 · pith_short_12: J2IYMEM4GR6A · pith_short_16: J2IYMEM4GR6A2EWO · pith_short_8: J2IYMEM4

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/J2IYMEM4GR6A2EWOXUPGNZM3EL \
  | 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: 4e9186119c347c0d12cebd1e66e59b22c3b3ee9692555d453008119ad7dff016

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fd2048e3edb68905229b777790dd7fe2ddd63ffb49aaec2dff53af680c2edf7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-09-09T03:18:54Z",
    "title_canon_sha256": "8421166928e2c0a6bbcc729bb56bb077124d9425087f5b9802a362874b6629df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02621",
    "kind": "arxiv",
    "version": 2
  }
}