Pith Number

pith:VEYZ4RYO

pith:2013:VEYZ4RYOTQYI2KZARKBU7QKUQF

not attested not anchored not stored refs pending

ALMA observations of the Red Rectangle, a preliminary analysis

A. Castro-Carrizo, C. Sanchez Contreras, H. Van Winckel, J. Alcolea, M. Santander-Garcia, R. Lucas, R. Neri, V. Bujarrabal

arxiv:1307.5959 v1 · 2013-07-23 · 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{VEYZ4RYOTQYI2KZARKBU7QKUQF}

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	2026-05-18T01:48:41.324680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9319e470e9c308d2b208a834fc154814628bde2b008747aa4463f94b77b29c1

Aliases

arxiv: 1307.5959 · arxiv_version: 1307.5959v1 · doi: 10.48550/arxiv.1307.5959 · pith_short_12: VEYZ4RYOTQYI · pith_short_16: VEYZ4RYOTQYI2KZA · pith_short_8: VEYZ4RYO

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/VEYZ4RYOTQYI2KZARKBU7QKUQF \
  | 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: a9319e470e9c308d2b208a834fc154814628bde2b008747aa4463f94b77b29c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76fecaf276551bce00c3a47fb1912871b522a1c193179170caf3d5ce7478d7f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-07-23T07:05:25Z",
    "title_canon_sha256": "384e2ad6358815377a8368823e2f76c59c5484b20f26f5576fa4024057275344"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5959",
    "kind": "arxiv",
    "version": 1
  }
}