Pith Number

pith:MDYD3HBK

pith:2013:MDYD3HBKHAJLBPRPT57ZDVADKD

not attested not anchored not stored refs pending

Multi-Epoch Very Long Baseline Interferometric Observations of the Nuclear Starburst Region of NGC 253: Improved modelling of the supernova and star-formation rates

Emil Lenc, Hayden Rampadarath, John S. Morgan, Steven J. Tingay

arxiv:1310.8033 v1 · 2013-10-30 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MDYD3HBKHAJLBPRPT57ZDVADKD}

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	2026-05-18T01:46:47.474232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60f03d9c2a3812b0be2f9f7f91d40350ee210d554638eca5311c520f5ab13efd

Aliases

arxiv: 1310.8033 · arxiv_version: 1310.8033v1 · doi: 10.48550/arxiv.1310.8033 · pith_short_12: MDYD3HBKHAJL · pith_short_16: MDYD3HBKHAJLBPRP · pith_short_8: MDYD3HBK

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/MDYD3HBKHAJLBPRPT57ZDVADKD \
  | 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: 60f03d9c2a3812b0be2f9f7f91d40350ee210d554638eca5311c520f5ab13efd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a51898f2eccf66329f334c6ca341057d3110c474999746726af54e46893a6193",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-10-30T05:44:48Z",
    "title_canon_sha256": "97599b29c16da947542f2da9315951bc3cddf598beeff6a8cf473a657effc18f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.8033",
    "kind": "arxiv",
    "version": 1
  }
}